124322020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 281140776

約数和(自身を除く): 156818756

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 157, 170, 274, 289, 314, 340, 548, 578, 628, 685, 785, 1156, 1370, 1445, 1570, 2329, 2669, 2740, 2890, 3140, 4658, 5338, 5780, 9316, 10676, 11645, 13345, 21509, 23290, 26690, 39593, 43018, 45373, 46580, 53380, 79186, 86036, 90746, 107545, 158372, 181492, 197965, 215090, 226865, 365653, 395930, 430180, 453730, 731306, 791860, 907460, 1462612, 1828265, 3656530, 6216101, 7313060, 12432202, 24864404, 31080505, 62161010, 124322020]

約数ペア:

[(1, 124322020), (2, 62161010), (4, 31080505), (5, 24864404), (10, 12432202), (17, 7313060), (20, 6216101), (34, 3656530), (68, 1828265), (85, 1462612), (137, 907460), (157, 791860), (170, 731306), (274, 453730), (289, 430180), (314, 395930), (340, 365653), (548, 226865), (578, 215090), (628, 197965), (685, 181492), (785, 158372), (1156, 107545), (1370, 90746), (1445, 86036), (1570, 79186), (2329, 53380), (2669, 46580), (2740, 45373), (2890, 43018), (3140, 39593), (4658, 26690), (5338, 23290), (5780, 21509), (9316, 13345), (10676, 11645)]