89245820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 191147040

約数和(自身を除く): 101901220

約数列:

[1, 2, 4, 5, 10, 20, 97, 179, 194, 257, 358, 388, 485, 514, 716, 895, 970, 1028, 1285, 1790, 1940, 2570, 3580, 5140, 17363, 24929, 34726, 46003, 49858, 69452, 86815, 92006, 99716, 124645, 173630, 184012, 230015, 249290, 347260, 460030, 498580, 920060, 4462291, 8924582, 17849164, 22311455, 44622910, 89245820]

約数ペア:

[(1, 89245820), (2, 44622910), (4, 22311455), (5, 17849164), (10, 8924582), (20, 4462291), (97, 920060), (179, 498580), (194, 460030), (257, 347260), (358, 249290), (388, 230015), (485, 184012), (514, 173630), (716, 124645), (895, 99716), (970, 92006), (1028, 86815), (1285, 69452), (1790, 49858), (1940, 46003), (2570, 34726), (3580, 24929), (5140, 17363)]