178495460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 444528000

約数和(自身を除く): 266032540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 139, 143, 220, 260, 278, 286, 449, 556, 572, 695, 715, 898, 1390, 1430, 1529, 1796, 1807, 2245, 2780, 2860, 3058, 3614, 4490, 4939, 5837, 6116, 7228, 7645, 8980, 9035, 9878, 11674, 15290, 18070, 19756, 19877, 23348, 24695, 29185, 30580, 36140, 39754, 49390, 58370, 62411, 64207, 79508, 98780, 99385, 116740, 124822, 128414, 198770, 249644, 256828, 312055, 321035, 397540, 624110, 642070, 686521, 811343, 1248220, 1284140, 1373042, 1622686, 2746084, 3245372, 3432605, 4056715, 6865210, 8113430, 8924773, 13730420, 16226860, 17849546, 35699092, 44623865, 89247730, 178495460]

約数ペア:

[(1, 178495460), (2, 89247730), (4, 44623865), (5, 35699092), (10, 17849546), (11, 16226860), (13, 13730420), (20, 8924773), (22, 8113430), (26, 6865210), (44, 4056715), (52, 3432605), (55, 3245372), (65, 2746084), (110, 1622686), (130, 1373042), (139, 1284140), (143, 1248220), (220, 811343), (260, 686521), (278, 642070), (286, 624110), (449, 397540), (556, 321035), (572, 312055), (695, 256828), (715, 249644), (898, 198770), (1390, 128414), (1430, 124822), (1529, 116740), (1796, 99385), (1807, 98780), (2245, 79508), (2780, 64207), (2860, 62411), (3058, 58370), (3614, 49390), (4490, 39754), (4939, 36140), (5837, 30580), (6116, 29185), (7228, 24695), (7645, 23348), (8980, 19877), (9035, 19756), (9878, 18070), (11674, 15290)]