71052020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{757}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 169813224

約数和(自身を除く): 98761204

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 757, 988, 1235, 1444, 1514, 1805, 2470, 3028, 3610, 3785, 4693, 4940, 7220, 7570, 9386, 9841, 14383, 15140, 18772, 19682, 23465, 28766, 39364, 46930, 49205, 57532, 71915, 93860, 98410, 143830, 186979, 196820, 273277, 287660, 373958, 546554, 747916, 934895, 1093108, 1366385, 1869790, 2732770, 3552601, 3739580, 5465540, 7105202, 14210404, 17763005, 35526010, 71052020]

約数ペア:

[(1, 71052020), (2, 35526010), (4, 17763005), (5, 14210404), (10, 7105202), (13, 5465540), (19, 3739580), (20, 3552601), (26, 2732770), (38, 1869790), (52, 1366385), (65, 1093108), (76, 934895), (95, 747916), (130, 546554), (190, 373958), (247, 287660), (260, 273277), (361, 196820), (380, 186979), (494, 143830), (722, 98410), (757, 93860), (988, 71915), (1235, 57532), (1444, 49205), (1514, 46930), (1805, 39364), (2470, 28766), (3028, 23465), (3610, 19682), (3785, 18772), (4693, 15140), (4940, 14383), (7220, 9841), (7570, 9386)]