211230125

素因数分解:

$5^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 289096704

約数和(自身を除く): 77866579

約数列:

[1, 5, 19, 25, 31, 95, 125, 151, 155, 361, 475, 589, 755, 775, 1805, 2375, 2869, 2945, 3775, 3875, 4681, 9025, 11191, 14345, 14725, 18875, 23405, 45125, 54511, 55955, 71725, 73625, 88939, 117025, 272555, 279775, 358625, 444695, 585125, 1362775, 1398875, 1689841, 2223475, 6813875, 8449205, 11117375, 42246025, 211230125]

約数ペア:

[(1, 211230125), (5, 42246025), (19, 11117375), (25, 8449205), (31, 6813875), (95, 2223475), (125, 1689841), (151, 1398875), (155, 1362775), (361, 585125), (475, 444695), (589, 358625), (755, 279775), (775, 272555), (1805, 117025), (2375, 88939), (2869, 73625), (2945, 71725), (3775, 55955), (3875, 54511), (4681, 45125), (9025, 23405), (11191, 18875), (14345, 14725)]