30990436

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 55520640

約数和(自身を除く): 24530204

約数列:

[1, 2, 4, 79, 101, 158, 202, 316, 404, 971, 1942, 3884, 7979, 15958, 31916, 76709, 98071, 153418, 196142, 306836, 392284, 7747609, 15495218, 30990436]

約数ペア:

[(1, 30990436), (2, 15495218), (4, 7747609), (79, 392284), (101, 306836), (158, 196142), (202, 153418), (316, 98071), (404, 76709), (971, 31916), (1942, 15958), (3884, 7979)]