200016865

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 253769472

約数和(自身を除く): 53752607

約数列:

[1, 5, 43, 61, 101, 151, 215, 305, 505, 755, 2623, 4343, 6161, 6493, 9211, 13115, 15251, 21715, 30805, 32465, 46055, 76255, 264923, 396073, 655793, 930311, 1324615, 1980365, 3278965, 4651555, 40003373, 200016865]

約数ペア:

[(1, 200016865), (5, 40003373), (43, 4651555), (61, 3278965), (101, 1980365), (151, 1324615), (215, 930311), (305, 655793), (505, 396073), (755, 264923), (2623, 76255), (4343, 46055), (6161, 32465), (6493, 30805), (9211, 21715), (13115, 15251)]