397825480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:144

約数の個数: 256

約数和(自身を含む): 1103155200

約数和(自身を除く): 705329720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 29, 31, 37, 40, 46, 52, 58, 62, 65, 74, 92, 104, 115, 116, 124, 130, 145, 148, 155, 184, 185, 230, 232, 248, 260, 290, 296, 299, 310, 370, 377, 403, 460, 481, 520, 580, 598, 620, 667, 713, 740, 754, 806, 851, 899, 920, 962, 1073, 1147, 1160, 1196, 1240, 1334, 1426, 1480, 1495, 1508, 1612, 1702, 1798, 1885, 1924, 2015, 2146, 2294, 2392, 2405, 2668, 2852, 2990, 3016, 3224, 3335, 3404, 3565, 3596, 3770, 3848, 4030, 4255, 4292, 4495, 4588, 4810, 5336, 5365, 5704, 5735, 5980, 6670, 6808, 7130, 7192, 7540, 8060, 8510, 8584, 8671, 8990, 9176, 9269, 9620, 10730, 11063, 11470, 11687, 11960, 13340, 13949, 14260, 14911, 15080, 16120, 17020, 17342, 17980, 18538, 19240, 20677, 21460, 22126, 22940, 23374, 24679, 26381, 26680, 27898, 28520, 29822, 33263, 34040, 34684, 35960, 37076, 41354, 42920, 43355, 44252, 45880, 46345, 46748, 49358, 52762, 55315, 55796, 58435, 59644, 66526, 69368, 69745, 74152, 74555, 82708, 86710, 88504, 92690, 93496, 98716, 103385, 105524, 110630, 111592, 116870, 119288, 123395, 131905, 133052, 139490, 149110, 165416, 166315, 173420, 185380, 197432, 206770, 211048, 221260, 233740, 246790, 263810, 266104, 268801, 278980, 298220, 320827, 332630, 342953, 346840, 370760, 413540, 432419, 442520, 467480, 493580, 527620, 537602, 557960, 596440, 641654, 665260, 685906, 765049, 827080, 864838, 987160, 1055240, 1075204, 1283308, 1330520, 1344005, 1371812, 1530098, 1604135, 1714765, 1729676, 2150408, 2162095, 2566616, 2688010, 2743624, 3060196, 3208270, 3429530, 3459352, 3825245, 4324190, 5376020, 6120392, 6416540, 6859060, 7650490, 8648380, 9945637, 10752040, 12833080, 13718120, 15300980, 17296760, 19891274, 30601960, 39782548, 49728185, 79565096, 99456370, 198912740, 397825480]

約数ペア:

[(1, 397825480), (2, 198912740), (4, 99456370), (5, 79565096), (8, 49728185), (10, 39782548), (13, 30601960), (20, 19891274), (23, 17296760), (26, 15300980), (29, 13718120), (31, 12833080), (37, 10752040), (40, 9945637), (46, 8648380), (52, 7650490), (58, 6859060), (62, 6416540), (65, 6120392), (74, 5376020), (92, 4324190), (104, 3825245), (115, 3459352), (116, 3429530), (124, 3208270), (130, 3060196), (145, 2743624), (148, 2688010), (155, 2566616), (184, 2162095), (185, 2150408), (230, 1729676), (232, 1714765), (248, 1604135), (260, 1530098), (290, 1371812), (296, 1344005), (299, 1330520), (310, 1283308), (370, 1075204), (377, 1055240), (403, 987160), (460, 864838), (481, 827080), (520, 765049), (580, 685906), (598, 665260), (620, 641654), (667, 596440), (713, 557960), (740, 537602), (754, 527620), (806, 493580), (851, 467480), (899, 442520), (920, 432419), (962, 413540), (1073, 370760), (1147, 346840), (1160, 342953), (1196, 332630), (1240, 320827), (1334, 298220), (1426, 278980), (1480, 268801), (1495, 266104), (1508, 263810), (1612, 246790), (1702, 233740), (1798, 221260), (1885, 211048), (1924, 206770), (2015, 197432), (2146, 185380), (2294, 173420), (2392, 166315), (2405, 165416), (2668, 149110), (2852, 139490), (2990, 133052), (3016, 131905), (3224, 123395), (3335, 119288), (3404, 116870), (3565, 111592), (3596, 110630), (3770, 105524), (3848, 103385), (4030, 98716), (4255, 93496), (4292, 92690), (4495, 88504), (4588, 86710), (4810, 82708), (5336, 74555), (5365, 74152), (5704, 69745), (5735, 69368), (5980, 66526), (6670, 59644), (6808, 58435), (7130, 55796), (7192, 55315), (7540, 52762), (8060, 49358), (8510, 46748), (8584, 46345), (8671, 45880), (8990, 44252), (9176, 43355), (9269, 42920), (9620, 41354), (10730, 37076), (11063, 35960), (11470, 34684), (11687, 34040), (11960, 33263), (13340, 29822), (13949, 28520), (14260, 27898), (14911, 26680), (15080, 26381), (16120, 24679), (17020, 23374), (17342, 22940), (17980, 22126), (18538, 21460), (19240, 20677)]