287106625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 430859520

約数和(自身を除く): 143752895

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 221, 247, 323, 325, 425, 475, 547, 1105, 1235, 1615, 1625, 2125, 2375, 2735, 4199, 5525, 6175, 7111, 8075, 9299, 10393, 13675, 20995, 27625, 30875, 35555, 40375, 46495, 51965, 68375, 104975, 120887, 135109, 176681, 177775, 232475, 259825, 524875, 604435, 675545, 883405, 888875, 1162375, 1299125, 2296853, 3022175, 3377725, 4417025, 11484265, 15110875, 16888625, 22085125, 57421325, 287106625]

約数ペア:

[(1, 287106625), (5, 57421325), (13, 22085125), (17, 16888625), (19, 15110875), (25, 11484265), (65, 4417025), (85, 3377725), (95, 3022175), (125, 2296853), (221, 1299125), (247, 1162375), (323, 888875), (325, 883405), (425, 675545), (475, 604435), (547, 524875), (1105, 259825), (1235, 232475), (1615, 177775), (1625, 176681), (2125, 135109), (2375, 120887), (2735, 104975), (4199, 68375), (5525, 51965), (6175, 46495), (7111, 40375), (8075, 35555), (9299, 30875), (10393, 27625), (13675, 20995)]