258295240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11677}}^1$

素因数の和:11774

約数の個数: 64

約数和(自身を含む): 672652800

約数和(自身を除く): 414357560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 11677, 22120, 23354, 46708, 58385, 81739, 93416, 116770, 163478, 233540, 326956, 408695, 467080, 653912, 817390, 922483, 1634780, 1844966, 3269560, 3689932, 4612415, 6457381, 7379864, 9224830, 12914762, 18449660, 25829524, 32286905, 36899320, 51659048, 64573810, 129147620, 258295240]

約数ペア:

[(1, 258295240), (2, 129147620), (4, 64573810), (5, 51659048), (7, 36899320), (8, 32286905), (10, 25829524), (14, 18449660), (20, 12914762), (28, 9224830), (35, 7379864), (40, 6457381), (56, 4612415), (70, 3689932), (79, 3269560), (140, 1844966), (158, 1634780), (280, 922483), (316, 817390), (395, 653912), (553, 467080), (632, 408695), (790, 326956), (1106, 233540), (1580, 163478), (2212, 116770), (2765, 93416), (3160, 81739), (4424, 58385), (5530, 46708), (11060, 23354), (11677, 22120)]