2155430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 4250880

約数和(自身を除く): 2095450

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 409, 527, 818, 1054, 2045, 2635, 4090, 5270, 6953, 12679, 13906, 25358, 34765, 63395, 69530, 126790, 215543, 431086, 1077715, 2155430]

約数ペア:

[(1, 2155430), (2, 1077715), (5, 431086), (10, 215543), (17, 126790), (31, 69530), (34, 63395), (62, 34765), (85, 25358), (155, 13906), (170, 12679), (310, 6953), (409, 5270), (527, 4090), (818, 2635), (1054, 2045)]