71890940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 169010016

約数和(自身を除く): 97119076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 487, 605, 610, 671, 974, 1210, 1220, 1342, 1948, 2420, 2435, 2684, 3355, 4870, 5357, 6710, 7381, 9740, 10714, 13420, 14762, 21428, 26785, 29524, 29707, 36905, 53570, 58927, 59414, 73810, 107140, 117854, 118828, 147620, 148535, 235708, 294635, 297070, 326777, 589270, 594140, 653554, 1178540, 1307108, 1633885, 3267770, 3594547, 6535540, 7189094, 14378188, 17972735, 35945470, 71890940]

約数ペア:

[(1, 71890940), (2, 35945470), (4, 17972735), (5, 14378188), (10, 7189094), (11, 6535540), (20, 3594547), (22, 3267770), (44, 1633885), (55, 1307108), (61, 1178540), (110, 653554), (121, 594140), (122, 589270), (220, 326777), (242, 297070), (244, 294635), (305, 235708), (484, 148535), (487, 147620), (605, 118828), (610, 117854), (671, 107140), (974, 73810), (1210, 59414), (1220, 58927), (1342, 53570), (1948, 36905), (2420, 29707), (2435, 29524), (2684, 26785), (3355, 21428), (4870, 14762), (5357, 13420), (6710, 10714), (7381, 9740)]