171416360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138239}}^1$

素因数の和:138281

約数の個数: 32

約数和(自身を含む): 398131200

約数和(自身を除く): 226714840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 138239, 276478, 552956, 691195, 1105912, 1382390, 2764780, 4285409, 5529560, 8570818, 17141636, 21427045, 34283272, 42854090, 85708180, 171416360]

約数ペア:

[(1, 171416360), (2, 85708180), (4, 42854090), (5, 34283272), (8, 21427045), (10, 17141636), (20, 8570818), (31, 5529560), (40, 4285409), (62, 2764780), (124, 1382390), (155, 1105912), (248, 691195), (310, 552956), (620, 276478), (1240, 138239)]