71328140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 166017600

約数和(自身を除く): 94689460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 449, 470, 611, 676, 845, 898, 940, 1222, 1690, 1796, 2245, 2444, 3055, 3380, 4490, 5837, 6110, 7943, 8980, 11674, 12220, 15886, 21103, 23348, 29185, 31772, 39715, 42206, 58370, 75881, 79430, 84412, 105515, 116740, 151762, 158860, 211030, 274339, 303524, 379405, 422060, 548678, 758810, 1097356, 1371695, 1517620, 2743390, 3566407, 5486780, 7132814, 14265628, 17832035, 35664070, 71328140]

約数ペア:

[(1, 71328140), (2, 35664070), (4, 17832035), (5, 14265628), (10, 7132814), (13, 5486780), (20, 3566407), (26, 2743390), (47, 1517620), (52, 1371695), (65, 1097356), (94, 758810), (130, 548678), (169, 422060), (188, 379405), (235, 303524), (260, 274339), (338, 211030), (449, 158860), (470, 151762), (611, 116740), (676, 105515), (845, 84412), (898, 79430), (940, 75881), (1222, 58370), (1690, 42206), (1796, 39715), (2245, 31772), (2444, 29185), (3055, 23348), (3380, 21103), (4490, 15886), (5837, 12220), (6110, 11674), (7943, 8980)]