258052807780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1\times {\mathrm{929}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 550646006400

約数和(自身を除く): 292593198620

約数列:

[1, 2, 4, 5, 10, 20, 139, 163, 278, 326, 556, 613, 652, 695, 815, 929, 1226, 1390, 1630, 1858, 2452, 2780, 3065, 3260, 3716, 4645, 6130, 9290, 12260, 18580, 22657, 45314, 85207, 90628, 99919, 113285, 129131, 151427, 170414, 199838, 226570, 258262, 302854, 340828, 399676, 426035, 453140, 499595, 516524, 569477, 605708, 645655, 757135, 852070, 999190, 1138954, 1291310, 1514270, 1704140, 1998380, 2277908, 2582620, 2847385, 3028540, 5694770, 11389540, 13888741, 21048353, 27777482, 42096706, 55554964, 69443705, 79157303, 84193412, 92824751, 105241765, 138887410, 158314606, 185649502, 210483530, 277774820, 316629212, 371299004, 395786515, 420967060, 464123755, 791573030, 928247510, 1583146060, 1856495020, 12902640389, 25805280778, 51610561556, 64513201945, 129026403890, 258052807780]

約数ペア:

[(1, 258052807780), (2, 129026403890), (4, 64513201945), (5, 51610561556), (10, 25805280778), (20, 12902640389), (139, 1856495020), (163, 1583146060), (278, 928247510), (326, 791573030), (556, 464123755), (613, 420967060), (652, 395786515), (695, 371299004), (815, 316629212), (929, 277774820), (1226, 210483530), (1390, 185649502), (1630, 158314606), (1858, 138887410), (2452, 105241765), (2780, 92824751), (3065, 84193412), (3260, 79157303), (3716, 69443705), (4645, 55554964), (6130, 42096706), (9290, 27777482), (12260, 21048353), (18580, 13888741), (22657, 11389540), (45314, 5694770), (85207, 3028540), (90628, 2847385), (99919, 2582620), (113285, 2277908), (129131, 1998380), (151427, 1704140), (170414, 1514270), (199838, 1291310), (226570, 1138954), (258262, 999190), (302854, 852070), (340828, 757135), (399676, 645655), (426035, 605708), (453140, 569477), (499595, 516524)]