129118220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83843}}^1$

素因数の和:83870

約数の個数: 48

約数和(自身を含む): 338059008

約数和(自身を除く): 208940788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 83843, 167686, 335372, 419215, 586901, 838430, 922273, 1173802, 1676860, 1844546, 2347604, 2934505, 3689092, 4611365, 5869010, 6455911, 9222730, 11738020, 12911822, 18445460, 25823644, 32279555, 64559110, 129118220]

約数ペア:

[(1, 129118220), (2, 64559110), (4, 32279555), (5, 25823644), (7, 18445460), (10, 12911822), (11, 11738020), (14, 9222730), (20, 6455911), (22, 5869010), (28, 4611365), (35, 3689092), (44, 2934505), (55, 2347604), (70, 1844546), (77, 1676860), (110, 1173802), (140, 922273), (154, 838430), (220, 586901), (308, 419215), (385, 335372), (770, 167686), (1540, 83843)]