397161875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1481

約数の個数: 40

約数和(自身を含む): 555009840

約数和(自身を除く): 157847965

約数列:

[1, 5, 11, 25, 41, 55, 125, 205, 275, 451, 625, 1025, 1375, 1409, 2255, 5125, 6875, 7045, 11275, 15499, 25625, 35225, 56375, 57769, 77495, 176125, 281875, 288845, 387475, 635459, 880625, 1444225, 1937375, 3177295, 7221125, 9686875, 15886475, 36105625, 79432375, 397161875]

約数ペア:

[(1, 397161875), (5, 79432375), (11, 36105625), (25, 15886475), (41, 9686875), (55, 7221125), (125, 3177295), (205, 1937375), (275, 1444225), (451, 880625), (625, 635459), (1025, 387475), (1375, 288845), (1409, 281875), (2255, 176125), (5125, 77495), (6875, 57769), (7045, 56375), (11275, 35225), (15499, 25625)]