1906156625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 2583899136

約数和(自身を除く): 677742511

約数列:

[1, 5, 23, 25, 41, 103, 115, 125, 157, 205, 515, 575, 785, 943, 1025, 2369, 2575, 2875, 3611, 3925, 4223, 4715, 5125, 6437, 11845, 12875, 16171, 18055, 19625, 21115, 23575, 32185, 59225, 80855, 90275, 97129, 105575, 117875, 148051, 160925, 296125, 371933, 404275, 451375, 485645, 527875, 663011, 740255, 804625, 1859665, 2021375, 2428225, 3315055, 3701275, 9298325, 12141125, 15249253, 16575275, 18506375, 46491625, 76246265, 82876375, 381231325, 1906156625]

約数ペア:

[(1, 1906156625), (5, 381231325), (23, 82876375), (25, 76246265), (41, 46491625), (103, 18506375), (115, 16575275), (125, 15249253), (157, 12141125), (205, 9298325), (515, 3701275), (575, 3315055), (785, 2428225), (943, 2021375), (1025, 1859665), (2369, 804625), (2575, 740255), (2875, 663011), (3611, 527875), (3925, 485645), (4223, 451375), (4715, 404275), (5125, 371933), (6437, 296125), (11845, 160925), (12875, 148051), (16171, 117875), (18055, 105575), (19625, 97129), (21115, 90275), (23575, 80855), (32185, 59225)]