210381250

素因数分解:

$2^1\times 5^5\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 404552232

約数和(自身を除く): 194170982

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 625, 821, 1025, 1250, 1642, 2050, 3125, 4105, 5125, 6250, 8210, 10250, 20525, 25625, 33661, 41050, 51250, 67322, 102625, 128125, 168305, 205250, 256250, 336610, 513125, 841525, 1026250, 1683050, 2565625, 4207625, 5131250, 8415250, 21038125, 42076250, 105190625, 210381250]

約数ペア:

[(1, 210381250), (2, 105190625), (5, 42076250), (10, 21038125), (25, 8415250), (41, 5131250), (50, 4207625), (82, 2565625), (125, 1683050), (205, 1026250), (250, 841525), (410, 513125), (625, 336610), (821, 256250), (1025, 205250), (1250, 168305), (1642, 128125), (2050, 102625), (3125, 67322), (4105, 51250), (5125, 41050), (6250, 33661), (8210, 25625), (10250, 20525)]