179778820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53189}}^1$

素因数の和:53224

約数の個数: 36

約数和(自身を含む): 408818340

約数和(自身を除く): 229039520

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 53189, 106378, 212756, 265945, 531890, 691457, 1063780, 1382914, 2765828, 3457285, 6914570, 8988941, 13829140, 17977882, 35955764, 44944705, 89889410, 179778820]

約数ペア:

[(1, 179778820), (2, 89889410), (4, 44944705), (5, 35955764), (10, 17977882), (13, 13829140), (20, 8988941), (26, 6914570), (52, 3457285), (65, 2765828), (130, 1382914), (169, 1063780), (260, 691457), (338, 531890), (676, 265945), (845, 212756), (1690, 106378), (3380, 53189)]