145542520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117373}}^1$

素因数の和:117415

約数の個数: 32

約数和(自身を含む): 338037120

約数和(自身を除く): 192494600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117373, 234746, 469492, 586865, 938984, 1173730, 2347460, 3638563, 4694920, 7277126, 14554252, 18192815, 29108504, 36385630, 72771260, 145542520]

約数ペア:

[(1, 145542520), (2, 72771260), (4, 36385630), (5, 29108504), (8, 18192815), (10, 14554252), (20, 7277126), (31, 4694920), (40, 3638563), (62, 2347460), (124, 1173730), (155, 938984), (248, 586865), (310, 469492), (620, 234746), (1240, 117373)]