20189917450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{36739}}^1$

素因数の和:37159

約数の個数: 48

約数和(自身を含む): 38951748000

約数和(自身を除く): 18761830550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 379, 725, 758, 1450, 1895, 3790, 9475, 10991, 18950, 21982, 36739, 54955, 73478, 109910, 183695, 274775, 367390, 549550, 918475, 1065431, 1836950, 2130862, 5327155, 10654310, 13924081, 26635775, 27848162, 53271550, 69620405, 139240810, 348102025, 403798349, 696204050, 807596698, 2018991745, 4037983490, 10094958725, 20189917450]

約数ペア:

[(1, 20189917450), (2, 10094958725), (5, 4037983490), (10, 2018991745), (25, 807596698), (29, 696204050), (50, 403798349), (58, 348102025), (145, 139240810), (290, 69620405), (379, 53271550), (725, 27848162), (758, 26635775), (1450, 13924081), (1895, 10654310), (3790, 5327155), (9475, 2130862), (10991, 1836950), (18950, 1065431), (21982, 918475), (36739, 549550), (54955, 367390), (73478, 274775), (109910, 183695)]