89898070

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2520

約数の個数: 32

約数和(自身を含む): 167261760

約数和(自身を除く): 77363690

約数列:

[1, 2, 5, 10, 53, 71, 106, 142, 265, 355, 530, 710, 2389, 3763, 4778, 7526, 11945, 18815, 23890, 37630, 126617, 169619, 253234, 339238, 633085, 848095, 1266170, 1696190, 8989807, 17979614, 44949035, 89898070]

約数ペア:

[(1, 89898070), (2, 44949035), (5, 17979614), (10, 8989807), (53, 1696190), (71, 1266170), (106, 848095), (142, 633085), (265, 339238), (355, 253234), (530, 169619), (710, 126617), (2389, 37630), (3763, 23890), (4778, 18815), (7526, 11945)]