200840315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 267723456

約数和(自身を除く): 66883141

約数列:

[1, 5, 13, 43, 65, 181, 215, 397, 559, 905, 1985, 2353, 2795, 5161, 7783, 11765, 17071, 25805, 38915, 71857, 85355, 101179, 221923, 359285, 505895, 934141, 1109615, 3089851, 4670705, 15449255, 40168063, 200840315]

約数ペア:

[(1, 200840315), (5, 40168063), (13, 15449255), (43, 4670705), (65, 3089851), (181, 1109615), (215, 934141), (397, 505895), (559, 359285), (905, 221923), (1985, 101179), (2353, 85355), (2795, 71857), (5161, 38915), (7783, 25805), (11765, 17071)]