9203980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 20774880

約数和(自身を除く): 11570900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 457, 530, 914, 1007, 1060, 1828, 2014, 2285, 4028, 4570, 5035, 8683, 9140, 10070, 17366, 20140, 24221, 34732, 43415, 48442, 86830, 96884, 121105, 173660, 242210, 460199, 484420, 920398, 1840796, 2300995, 4601990, 9203980]

約数ペア:

[(1, 9203980), (2, 4601990), (4, 2300995), (5, 1840796), (10, 920398), (19, 484420), (20, 460199), (38, 242210), (53, 173660), (76, 121105), (95, 96884), (106, 86830), (190, 48442), (212, 43415), (265, 34732), (380, 24221), (457, 20140), (530, 17366), (914, 10070), (1007, 9140), (1060, 8683), (1828, 5035), (2014, 4570), (2285, 4028)]