155687425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 213875200

約数和(自身を除く): 58187775

約数列:

[1, 5, 19, 25, 31, 95, 97, 109, 155, 475, 485, 545, 589, 775, 1843, 2071, 2425, 2725, 2945, 3007, 3379, 9215, 10355, 10573, 14725, 15035, 16895, 46075, 51775, 52865, 57133, 64201, 75175, 84475, 200887, 264325, 285665, 321005, 327763, 1004435, 1428325, 1605025, 1638815, 5022175, 6227497, 8194075, 31137485, 155687425]

約数ペア:

[(1, 155687425), (5, 31137485), (19, 8194075), (25, 6227497), (31, 5022175), (95, 1638815), (97, 1605025), (109, 1428325), (155, 1004435), (475, 327763), (485, 321005), (545, 285665), (589, 264325), (775, 200887), (1843, 84475), (2071, 75175), (2425, 64201), (2725, 57133), (2945, 52865), (3007, 51775), (3379, 46075), (9215, 16895), (10355, 15035), (10573, 14725)]