191989280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 561738240

約数和(自身を除く): 369748960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 160, 161, 184, 203, 224, 230, 232, 257, 280, 290, 322, 368, 406, 460, 464, 514, 560, 580, 644, 667, 736, 805, 812, 920, 928, 1015, 1028, 1120, 1160, 1285, 1288, 1334, 1610, 1624, 1799, 1840, 2030, 2056, 2320, 2570, 2576, 2668, 3220, 3248, 3335, 3598, 3680, 4060, 4112, 4640, 4669, 5140, 5152, 5336, 5911, 6440, 6496, 6670, 7196, 7453, 8120, 8224, 8995, 9338, 10280, 10672, 11822, 12880, 13340, 14392, 14906, 16240, 17990, 18676, 20560, 21344, 23345, 23644, 25760, 26680, 28784, 29555, 29812, 32480, 35980, 37265, 37352, 41120, 41377, 46690, 47288, 52171, 53360, 57568, 59110, 59624, 71960, 74530, 74704, 82754, 93380, 94576, 104342, 106720, 118220, 119248, 143920, 149060, 149408, 165508, 171419, 186760, 189152, 206885, 208684, 236440, 238496, 260855, 287840, 298120, 331016, 342838, 373520, 413770, 417368, 472880, 521710, 596240, 662032, 685676, 747040, 827540, 834736, 857095, 945760, 1043420, 1192480, 1199933, 1324064, 1371352, 1655080, 1669472, 1714190, 2086840, 2399866, 2742704, 3310160, 3428380, 4173680, 4799732, 5485408, 5999665, 6620320, 6856760, 8347360, 9599464, 11999330, 13713520, 19198928, 23998660, 27427040, 38397856, 47997320, 95994640, 191989280]

約数ペア:

[(1, 191989280), (2, 95994640), (4, 47997320), (5, 38397856), (7, 27427040), (8, 23998660), (10, 19198928), (14, 13713520), (16, 11999330), (20, 9599464), (23, 8347360), (28, 6856760), (29, 6620320), (32, 5999665), (35, 5485408), (40, 4799732), (46, 4173680), (56, 3428380), (58, 3310160), (70, 2742704), (80, 2399866), (92, 2086840), (112, 1714190), (115, 1669472), (116, 1655080), (140, 1371352), (145, 1324064), (160, 1199933), (161, 1192480), (184, 1043420), (203, 945760), (224, 857095), (230, 834736), (232, 827540), (257, 747040), (280, 685676), (290, 662032), (322, 596240), (368, 521710), (406, 472880), (460, 417368), (464, 413770), (514, 373520), (560, 342838), (580, 331016), (644, 298120), (667, 287840), (736, 260855), (805, 238496), (812, 236440), (920, 208684), (928, 206885), (1015, 189152), (1028, 186760), (1120, 171419), (1160, 165508), (1285, 149408), (1288, 149060), (1334, 143920), (1610, 119248), (1624, 118220), (1799, 106720), (1840, 104342), (2030, 94576), (2056, 93380), (2320, 82754), (2570, 74704), (2576, 74530), (2668, 71960), (3220, 59624), (3248, 59110), (3335, 57568), (3598, 53360), (3680, 52171), (4060, 47288), (4112, 46690), (4640, 41377), (4669, 41120), (5140, 37352), (5152, 37265), (5336, 35980), (5911, 32480), (6440, 29812), (6496, 29555), (6670, 28784), (7196, 26680), (7453, 25760), (8120, 23644), (8224, 23345), (8995, 21344), (9338, 20560), (10280, 18676), (10672, 17990), (11822, 16240), (12880, 14906), (13340, 14392)]