220054375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 295218000

約数和(自身を除く): 75163625

約数列:

[1, 5, 17, 25, 85, 125, 139, 149, 425, 625, 695, 745, 2125, 2363, 2533, 3475, 3725, 10625, 11815, 12665, 17375, 18625, 20711, 59075, 63325, 86875, 93125, 103555, 295375, 316625, 352087, 517775, 1476875, 1583125, 1760435, 2588875, 8802175, 12944375, 44010875, 220054375]

約数ペア:

[(1, 220054375), (5, 44010875), (17, 12944375), (25, 8802175), (85, 2588875), (125, 1760435), (139, 1583125), (149, 1476875), (425, 517775), (625, 352087), (695, 316625), (745, 295375), (2125, 103555), (2363, 93125), (2533, 86875), (3475, 63325), (3725, 59075), (10625, 20711), (11815, 18625), (12665, 17375)]