490119240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1489}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 1592035200

約数和(自身を除く): 1101915960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 211, 260, 312, 390, 422, 520, 633, 780, 844, 1055, 1266, 1489, 1560, 1688, 2110, 2532, 2743, 2978, 3165, 4220, 4467, 5064, 5486, 5956, 6330, 7445, 8229, 8440, 8934, 10972, 11912, 12660, 13715, 14890, 16458, 17868, 19357, 21944, 22335, 25320, 27430, 29780, 32916, 35736, 38714, 41145, 44670, 54860, 58071, 59560, 65832, 77428, 82290, 89340, 96785, 109720, 116142, 154856, 164580, 178680, 193570, 232284, 290355, 314179, 329160, 387140, 464568, 580710, 628358, 774280, 942537, 1161420, 1256716, 1570895, 1885074, 2322840, 2513432, 3141790, 3770148, 4084327, 4712685, 6283580, 7540296, 8168654, 9425370, 12252981, 12567160, 16337308, 18850740, 20421635, 24505962, 32674616, 37701480, 40843270, 49011924, 61264905, 81686540, 98023848, 122529810, 163373080, 245059620, 490119240]

約数ペア:

[(1, 490119240), (2, 245059620), (3, 163373080), (4, 122529810), (5, 98023848), (6, 81686540), (8, 61264905), (10, 49011924), (12, 40843270), (13, 37701480), (15, 32674616), (20, 24505962), (24, 20421635), (26, 18850740), (30, 16337308), (39, 12567160), (40, 12252981), (52, 9425370), (60, 8168654), (65, 7540296), (78, 6283580), (104, 4712685), (120, 4084327), (130, 3770148), (156, 3141790), (195, 2513432), (211, 2322840), (260, 1885074), (312, 1570895), (390, 1256716), (422, 1161420), (520, 942537), (633, 774280), (780, 628358), (844, 580710), (1055, 464568), (1266, 387140), (1489, 329160), (1560, 314179), (1688, 290355), (2110, 232284), (2532, 193570), (2743, 178680), (2978, 164580), (3165, 154856), (4220, 116142), (4467, 109720), (5064, 96785), (5486, 89340), (5956, 82290), (6330, 77428), (7445, 65832), (8229, 59560), (8440, 58071), (8934, 54860), (10972, 44670), (11912, 41145), (12660, 38714), (13715, 35736), (14890, 32916), (16458, 29780), (17868, 27430), (19357, 25320), (21944, 22335)]