172920980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{4409}}^1$

素因数の和:4508

約数の個数: 48

約数和(自身を含む): 380071440

約数和(自身を除く): 207150460

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 4409, 7844, 8818, 9805, 17636, 19610, 22045, 39220, 44090, 88180, 163133, 233677, 326266, 467354, 652532, 815665, 934708, 1168385, 1631330, 2336770, 3262660, 4673540, 8646049, 17292098, 34584196, 43230245, 86460490, 172920980]

約数ペア:

[(1, 172920980), (2, 86460490), (4, 43230245), (5, 34584196), (10, 17292098), (20, 8646049), (37, 4673540), (53, 3262660), (74, 2336770), (106, 1631330), (148, 1168385), (185, 934708), (212, 815665), (265, 652532), (370, 467354), (530, 326266), (740, 233677), (1060, 163133), (1961, 88180), (3922, 44090), (4409, 39220), (7844, 22045), (8818, 19610), (9805, 17636)]