260143940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{8563}}^1$

素因数の和:8617

約数の個数: 72

約数和(自身を含む): 656070912

約数和(自身を除く): 395926972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 8563, 15190, 17126, 30380, 34252, 42815, 59941, 85630, 119882, 171260, 239764, 265453, 299705, 419587, 530906, 599410, 839174, 1061812, 1198820, 1327265, 1678348, 1858171, 2097935, 2654530, 3716342, 4195870, 5309060, 7432684, 8391740, 9290855, 13007197, 18581710, 26014394, 37163420, 52028788, 65035985, 130071970, 260143940]

約数ペア:

[(1, 260143940), (2, 130071970), (4, 65035985), (5, 52028788), (7, 37163420), (10, 26014394), (14, 18581710), (20, 13007197), (28, 9290855), (31, 8391740), (35, 7432684), (49, 5309060), (62, 4195870), (70, 3716342), (98, 2654530), (124, 2097935), (140, 1858171), (155, 1678348), (196, 1327265), (217, 1198820), (245, 1061812), (310, 839174), (434, 599410), (490, 530906), (620, 419587), (868, 299705), (980, 265453), (1085, 239764), (1519, 171260), (2170, 119882), (3038, 85630), (4340, 59941), (6076, 42815), (7595, 34252), (8563, 30380), (15190, 17126)]