397624970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{51043}}^1$

素因数の和:51110

約数の個数: 32

約数和(自身を含む): 771785280

約数和(自身を除く): 374160310

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 51043, 102086, 255215, 510430, 969817, 1939634, 2092763, 4185526, 4849085, 9698170, 10463815, 20927630, 39762497, 79524994, 198812485, 397624970]

約数ペア:

[(1, 397624970), (2, 198812485), (5, 79524994), (10, 39762497), (19, 20927630), (38, 10463815), (41, 9698170), (82, 4849085), (95, 4185526), (190, 2092763), (205, 1939634), (410, 969817), (779, 510430), (1558, 255215), (3895, 102086), (7790, 51043)]