220172475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 385134080

約数和(自身を除く): 164961605

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 367, 421, 475, 1101, 1263, 1425, 1835, 2105, 5505, 6315, 6973, 7999, 9175, 10525, 20919, 23997, 27525, 31575, 34865, 39995, 104595, 119985, 154507, 174325, 199975, 463521, 522975, 599925, 772535, 2317605, 2935633, 3862675, 8806899, 11588025, 14678165, 44034495, 73390825, 220172475]

約数ペア:

[(1, 220172475), (3, 73390825), (5, 44034495), (15, 14678165), (19, 11588025), (25, 8806899), (57, 3862675), (75, 2935633), (95, 2317605), (285, 772535), (367, 599925), (421, 522975), (475, 463521), (1101, 199975), (1263, 174325), (1425, 154507), (1835, 119985), (2105, 104595), (5505, 39995), (6315, 34865), (6973, 31575), (7999, 27525), (9175, 23997), (10525, 20919)]