181317220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{12823}}^1$

素因数の和:12940

約数の個数: 48

約数和(自身を含む): 439504128

約数和(自身を除く): 258186908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 12823, 14140, 25646, 51292, 64115, 89761, 128230, 179522, 256460, 359044, 448805, 897610, 1295123, 1795220, 2590246, 5180492, 6475615, 9065861, 12951230, 18131722, 25902460, 36263444, 45329305, 90658610, 181317220]

約数ペア:

[(1, 181317220), (2, 90658610), (4, 45329305), (5, 36263444), (7, 25902460), (10, 18131722), (14, 12951230), (20, 9065861), (28, 6475615), (35, 5180492), (70, 2590246), (101, 1795220), (140, 1295123), (202, 897610), (404, 448805), (505, 359044), (707, 256460), (1010, 179522), (1414, 128230), (2020, 89761), (2828, 64115), (3535, 51292), (7070, 25646), (12823, 14140)]