389396280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 256

約数和(自身を含む): 1453132800

約数和(自身を除く): 1063736520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 169, 182, 195, 210, 211, 260, 273, 280, 312, 338, 364, 390, 420, 422, 455, 507, 520, 546, 633, 676, 728, 780, 840, 844, 845, 910, 1014, 1055, 1092, 1183, 1266, 1352, 1365, 1477, 1560, 1688, 1690, 1820, 2028, 2110, 2184, 2197, 2366, 2532, 2535, 2730, 2743, 2954, 3165, 3380, 3549, 3640, 4056, 4220, 4394, 4431, 4732, 5064, 5070, 5460, 5486, 5908, 5915, 6330, 6591, 6760, 7098, 7385, 8229, 8440, 8788, 8862, 9464, 10140, 10920, 10972, 10985, 11816, 11830, 12660, 13182, 13715, 14196, 14770, 15379, 16458, 17576, 17724, 17745, 19201, 20280, 21944, 21970, 22155, 23660, 25320, 26364, 27430, 28392, 29540, 30758, 32916, 32955, 35448, 35490, 35659, 38402, 41145, 43940, 44310, 46137, 47320, 52728, 54860, 57603, 59080, 61516, 65832, 65910, 70980, 71318, 76804, 76895, 82290, 87880, 88620, 92274, 96005, 106977, 109720, 115206, 123032, 131820, 141960, 142636, 153608, 153790, 164580, 177240, 178295, 184548, 192010, 213954, 230412, 230685, 249613, 263640, 285272, 288015, 307580, 329160, 356590, 369096, 384020, 427908, 460824, 461370, 463567, 499226, 534885, 576030, 615160, 713180, 748839, 768040, 855816, 922740, 927134, 998452, 1069770, 1152060, 1248065, 1390701, 1426360, 1497678, 1845480, 1854268, 1996904, 2139540, 2304120, 2317835, 2496130, 2781402, 2995356, 3244969, 3708536, 3744195, 4279080, 4635670, 4992260, 5562804, 5990712, 6489938, 6953505, 7488390, 9271340, 9734907, 9984520, 11125608, 12979876, 13907010, 14976780, 16224845, 18542680, 19469814, 25959752, 27814020, 29953560, 32449690, 38939628, 48674535, 55628040, 64899380, 77879256, 97349070, 129798760, 194698140, 389396280]

約数ペア:

[(1, 389396280), (2, 194698140), (3, 129798760), (4, 97349070), (5, 77879256), (6, 64899380), (7, 55628040), (8, 48674535), (10, 38939628), (12, 32449690), (13, 29953560), (14, 27814020), (15, 25959752), (20, 19469814), (21, 18542680), (24, 16224845), (26, 14976780), (28, 13907010), (30, 12979876), (35, 11125608), (39, 9984520), (40, 9734907), (42, 9271340), (52, 7488390), (56, 6953505), (60, 6489938), (65, 5990712), (70, 5562804), (78, 4992260), (84, 4635670), (91, 4279080), (104, 3744195), (105, 3708536), (120, 3244969), (130, 2995356), (140, 2781402), (156, 2496130), (168, 2317835), (169, 2304120), (182, 2139540), (195, 1996904), (210, 1854268), (211, 1845480), (260, 1497678), (273, 1426360), (280, 1390701), (312, 1248065), (338, 1152060), (364, 1069770), (390, 998452), (420, 927134), (422, 922740), (455, 855816), (507, 768040), (520, 748839), (546, 713180), (633, 615160), (676, 576030), (728, 534885), (780, 499226), (840, 463567), (844, 461370), (845, 460824), (910, 427908), (1014, 384020), (1055, 369096), (1092, 356590), (1183, 329160), (1266, 307580), (1352, 288015), (1365, 285272), (1477, 263640), (1560, 249613), (1688, 230685), (1690, 230412), (1820, 213954), (2028, 192010), (2110, 184548), (2184, 178295), (2197, 177240), (2366, 164580), (2532, 153790), (2535, 153608), (2730, 142636), (2743, 141960), (2954, 131820), (3165, 123032), (3380, 115206), (3549, 109720), (3640, 106977), (4056, 96005), (4220, 92274), (4394, 88620), (4431, 87880), (4732, 82290), (5064, 76895), (5070, 76804), (5460, 71318), (5486, 70980), (5908, 65910), (5915, 65832), (6330, 61516), (6591, 59080), (6760, 57603), (7098, 54860), (7385, 52728), (8229, 47320), (8440, 46137), (8788, 44310), (8862, 43940), (9464, 41145), (10140, 38402), (10920, 35659), (10972, 35490), (10985, 35448), (11816, 32955), (11830, 32916), (12660, 30758), (13182, 29540), (13715, 28392), (14196, 27430), (14770, 26364), (15379, 25320), (16458, 23660), (17576, 22155), (17724, 21970), (17745, 21944), (19201, 20280)]