138963125

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 40

約数和(自身を含む): 207233664

約数和(自身を除く): 68270539

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 625, 805, 875, 1381, 2875, 4025, 4375, 6905, 9667, 14375, 20125, 31763, 34525, 48335, 100625, 158815, 172625, 222341, 241675, 794075, 863125, 1111705, 1208375, 3970375, 5558525, 6041875, 19851875, 27792625, 138963125]

約数ペア:

[(1, 138963125), (5, 27792625), (7, 19851875), (23, 6041875), (25, 5558525), (35, 3970375), (115, 1208375), (125, 1111705), (161, 863125), (175, 794075), (575, 241675), (625, 222341), (805, 172625), (875, 158815), (1381, 100625), (2875, 48335), (4025, 34525), (4375, 31763), (6905, 20125), (9667, 14375)]