191889680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 458970624

約数和(自身を除く): 267080944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 167, 212, 265, 271, 334, 424, 530, 542, 668, 835, 848, 1060, 1084, 1336, 1355, 1670, 2120, 2168, 2672, 2710, 3340, 4240, 4336, 5420, 6680, 8851, 10840, 13360, 14363, 17702, 21680, 28726, 35404, 44255, 45257, 57452, 70808, 71815, 88510, 90514, 114904, 141616, 143630, 177020, 181028, 226285, 229808, 287260, 354040, 362056, 452570, 574520, 708080, 724112, 905140, 1149040, 1810280, 2398621, 3620560, 4797242, 9594484, 11993105, 19188968, 23986210, 38377936, 47972420, 95944840, 191889680]

約数ペア:

[(1, 191889680), (2, 95944840), (4, 47972420), (5, 38377936), (8, 23986210), (10, 19188968), (16, 11993105), (20, 9594484), (40, 4797242), (53, 3620560), (80, 2398621), (106, 1810280), (167, 1149040), (212, 905140), (265, 724112), (271, 708080), (334, 574520), (424, 452570), (530, 362056), (542, 354040), (668, 287260), (835, 229808), (848, 226285), (1060, 181028), (1084, 177020), (1336, 143630), (1355, 141616), (1670, 114904), (2120, 90514), (2168, 88510), (2672, 71815), (2710, 70808), (3340, 57452), (4240, 45257), (4336, 44255), (5420, 35404), (6680, 28726), (8851, 21680), (10840, 17702), (13360, 14363)]