205015710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{220447}}^1$

素因数の和:220488

約数の個数: 32

約数和(自身を含む): 507912192

約数和(自身を除く): 302896482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 220447, 440894, 661341, 1102235, 1322682, 2204470, 3306705, 6613410, 6833857, 13667714, 20501571, 34169285, 41003142, 68338570, 102507855, 205015710]

約数ペア:

[(1, 205015710), (2, 102507855), (3, 68338570), (5, 41003142), (6, 34169285), (10, 20501571), (15, 13667714), (30, 6833857), (31, 6613410), (62, 3306705), (93, 2204470), (155, 1322682), (186, 1102235), (310, 661341), (465, 440894), (930, 220447)]