145949240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117701}}^1$

素因数の和:117743

約数の個数: 32

約数和(自身を含む): 338981760

約数和(自身を除く): 193032520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117701, 235402, 470804, 588505, 941608, 1177010, 2354020, 3648731, 4708040, 7297462, 14594924, 18243655, 29189848, 36487310, 72974620, 145949240]

約数ペア:

[(1, 145949240), (2, 72974620), (4, 36487310), (5, 29189848), (8, 18243655), (10, 14594924), (20, 7297462), (31, 4708040), (40, 3648731), (62, 2354020), (124, 1177010), (155, 941608), (248, 588505), (310, 470804), (620, 235402), (1240, 117701)]