490695240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2273}}^1$

素因数の和:2551

約数の個数: 128

約数和(自身を含む): 1689672960

約数和(自身を除く): 1198977720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 771, 840, 1028, 1285, 1542, 1799, 2056, 2273, 2570, 3084, 3598, 3855, 4546, 5140, 5397, 6168, 6819, 7196, 7710, 8995, 9092, 10280, 10794, 11365, 13638, 14392, 15420, 15911, 17990, 18184, 21588, 22730, 26985, 27276, 30840, 31822, 34095, 35980, 43176, 45460, 47733, 53970, 54552, 63644, 68190, 71960, 79555, 90920, 95466, 107940, 127288, 136380, 159110, 190932, 215880, 238665, 272760, 318220, 381864, 477330, 584161, 636440, 954660, 1168322, 1752483, 1909320, 2336644, 2920805, 3504966, 4089127, 4673288, 5841610, 7009932, 8178254, 8762415, 11683220, 12267381, 14019864, 16356508, 17524830, 20445635, 23366440, 24534762, 32713016, 35049660, 40891270, 49069524, 61336905, 70099320, 81782540, 98139048, 122673810, 163565080, 245347620, 490695240]

約数ペア:

[(1, 490695240), (2, 245347620), (3, 163565080), (4, 122673810), (5, 98139048), (6, 81782540), (7, 70099320), (8, 61336905), (10, 49069524), (12, 40891270), (14, 35049660), (15, 32713016), (20, 24534762), (21, 23366440), (24, 20445635), (28, 17524830), (30, 16356508), (35, 14019864), (40, 12267381), (42, 11683220), (56, 8762415), (60, 8178254), (70, 7009932), (84, 5841610), (105, 4673288), (120, 4089127), (140, 3504966), (168, 2920805), (210, 2336644), (257, 1909320), (280, 1752483), (420, 1168322), (514, 954660), (771, 636440), (840, 584161), (1028, 477330), (1285, 381864), (1542, 318220), (1799, 272760), (2056, 238665), (2273, 215880), (2570, 190932), (3084, 159110), (3598, 136380), (3855, 127288), (4546, 107940), (5140, 95466), (5397, 90920), (6168, 79555), (6819, 71960), (7196, 68190), (7710, 63644), (8995, 54552), (9092, 53970), (10280, 47733), (10794, 45460), (11365, 43176), (13638, 35980), (14392, 34095), (15420, 31822), (15911, 30840), (17990, 27276), (18184, 26985), (21588, 22730)]