889348520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 2040033600

約数和(自身を除く): 1150685080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 131, 178, 262, 356, 445, 524, 655, 712, 890, 1048, 1310, 1780, 1907, 2620, 3560, 3814, 5240, 7628, 9535, 11659, 15256, 19070, 23318, 38140, 46636, 58295, 76280, 93272, 116590, 169723, 233180, 249817, 339446, 466360, 499634, 678892, 848615, 999268, 1249085, 1357784, 1697230, 1998536, 2498170, 3394460, 4996340, 6788920, 9992680, 22233713, 44467426, 88934852, 111168565, 177869704, 222337130, 444674260, 889348520]

約数ペア:

[(1, 889348520), (2, 444674260), (4, 222337130), (5, 177869704), (8, 111168565), (10, 88934852), (20, 44467426), (40, 22233713), (89, 9992680), (131, 6788920), (178, 4996340), (262, 3394460), (356, 2498170), (445, 1998536), (524, 1697230), (655, 1357784), (712, 1249085), (890, 999268), (1048, 848615), (1310, 678892), (1780, 499634), (1907, 466360), (2620, 339446), (3560, 249817), (3814, 233180), (5240, 169723), (7628, 116590), (9535, 93272), (11659, 76280), (15256, 58295), (19070, 46636), (23318, 38140)]