285300625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 377879040

約数和(自身を除く): 92578415

約数列:

[1, 5, 23, 25, 89, 115, 125, 223, 445, 575, 625, 1115, 2047, 2225, 2875, 5129, 5575, 10235, 11125, 14375, 19847, 25645, 27875, 51175, 55625, 99235, 128225, 139375, 255875, 456481, 496175, 641125, 1279375, 2282405, 2480875, 3205625, 11412025, 12404375, 57060125, 285300625]

約数ペア:

[(1, 285300625), (5, 57060125), (23, 12404375), (25, 11412025), (89, 3205625), (115, 2480875), (125, 2282405), (223, 1279375), (445, 641125), (575, 496175), (625, 456481), (1115, 255875), (2047, 139375), (2225, 128225), (2875, 99235), (5129, 55625), (5575, 51175), (10235, 27875), (11125, 25645), (14375, 19847)]