166398850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 318629160

約数和(自身を除く): 152230310

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 178, 305, 445, 610, 613, 890, 1226, 1525, 2225, 3050, 3065, 4450, 5429, 6130, 10858, 15325, 27145, 30650, 37393, 54290, 54557, 74786, 109114, 135725, 186965, 271450, 272785, 373930, 545570, 934825, 1363925, 1869650, 2727850, 3327977, 6655954, 16639885, 33279770, 83199425, 166398850]

約数ペア:

[(1, 166398850), (2, 83199425), (5, 33279770), (10, 16639885), (25, 6655954), (50, 3327977), (61, 2727850), (89, 1869650), (122, 1363925), (178, 934825), (305, 545570), (445, 373930), (610, 272785), (613, 271450), (890, 186965), (1226, 135725), (1525, 109114), (2225, 74786), (3050, 54557), (3065, 54290), (4450, 37393), (5429, 30650), (6130, 27145), (10858, 15325)]