138138440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28541}}^1$

素因数の和:28574

約数の個数: 48

約数和(自身を含む): 341647740

約数和(自身を除く): 203509300

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 28541, 57082, 114164, 142705, 228328, 285410, 313951, 570820, 627902, 1141640, 1255804, 1569755, 2511608, 3139510, 3453461, 6279020, 6906922, 12558040, 13813844, 17267305, 27627688, 34534610, 69069220, 138138440]

約数ペア:

[(1, 138138440), (2, 69069220), (4, 34534610), (5, 27627688), (8, 17267305), (10, 13813844), (11, 12558040), (20, 6906922), (22, 6279020), (40, 3453461), (44, 3139510), (55, 2511608), (88, 1569755), (110, 1255804), (121, 1141640), (220, 627902), (242, 570820), (440, 313951), (484, 285410), (605, 228328), (968, 142705), (1210, 114164), (2420, 57082), (4840, 28541)]