155890990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{6907}}^1$

素因数の和:7012

約数の個数: 32

約数和(自身を含む): 292954464

約数和(自身を除く): 137063474

約数列:

[1, 2, 5, 10, 37, 61, 74, 122, 185, 305, 370, 610, 2257, 4514, 6907, 11285, 13814, 22570, 34535, 69070, 255559, 421327, 511118, 842654, 1277795, 2106635, 2555590, 4213270, 15589099, 31178198, 77945495, 155890990]

約数ペア:

[(1, 155890990), (2, 77945495), (5, 31178198), (10, 15589099), (37, 4213270), (61, 2555590), (74, 2106635), (122, 1277795), (185, 842654), (305, 511118), (370, 421327), (610, 255559), (2257, 69070), (4514, 34535), (6907, 22570), (11285, 13814)]