131514380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{769}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 293388480

約数和(自身を除く): 161874100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 503, 769, 1006, 1538, 2012, 2515, 3076, 3845, 5030, 7690, 8551, 10060, 13073, 15380, 17102, 26146, 34204, 42755, 52292, 65365, 85510, 130730, 171020, 261460, 386807, 773614, 1547228, 1934035, 3868070, 6575719, 7736140, 13151438, 26302876, 32878595, 65757190, 131514380]

約数ペア:

[(1, 131514380), (2, 65757190), (4, 32878595), (5, 26302876), (10, 13151438), (17, 7736140), (20, 6575719), (34, 3868070), (68, 1934035), (85, 1547228), (170, 773614), (340, 386807), (503, 261460), (769, 171020), (1006, 130730), (1538, 85510), (2012, 65365), (2515, 52292), (3076, 42755), (3845, 34204), (5030, 26146), (7690, 17102), (8551, 15380), (10060, 13073)]