203208640

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8699}}^1$

素因数の和:8789

約数の個数: 56

約数和(自身を含む): 490575600

約数和(自身を除く): 287366960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 1168, 1460, 2336, 2920, 4672, 5840, 8699, 11680, 17398, 23360, 34796, 43495, 69592, 86990, 139184, 173980, 278368, 347960, 556736, 635027, 695920, 1270054, 1391840, 2540108, 2783680, 3175135, 5080216, 6350270, 10160432, 12700540, 20320864, 25401080, 40641728, 50802160, 101604320, 203208640]

約数ペア:

[(1, 203208640), (2, 101604320), (4, 50802160), (5, 40641728), (8, 25401080), (10, 20320864), (16, 12700540), (20, 10160432), (32, 6350270), (40, 5080216), (64, 3175135), (73, 2783680), (80, 2540108), (146, 1391840), (160, 1270054), (292, 695920), (320, 635027), (365, 556736), (584, 347960), (730, 278368), (1168, 173980), (1460, 139184), (2336, 86990), (2920, 69592), (4672, 43495), (5840, 34796), (8699, 23360), (11680, 17398)]