284277440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28657}}^1$

素因数の和:28705

約数の個数: 56

約数和(自身を含む): 698796672

約数和(自身を除く): 414519232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 28657, 57314, 114628, 143285, 229256, 286570, 458512, 573140, 888367, 917024, 1146280, 1776734, 1834048, 2292560, 3553468, 4441835, 4585120, 7106936, 8883670, 9170240, 14213872, 17767340, 28427744, 35534680, 56855488, 71069360, 142138720, 284277440]

約数ペア:

[(1, 284277440), (2, 142138720), (4, 71069360), (5, 56855488), (8, 35534680), (10, 28427744), (16, 17767340), (20, 14213872), (31, 9170240), (32, 8883670), (40, 7106936), (62, 4585120), (64, 4441835), (80, 3553468), (124, 2292560), (155, 1834048), (160, 1776734), (248, 1146280), (310, 917024), (320, 888367), (496, 573140), (620, 458512), (992, 286570), (1240, 229256), (1984, 143285), (2480, 114628), (4960, 57314), (9920, 28657)]