890256680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{4831}}^1$

素因数の和:5130

約数の個数: 64

約数和(自身を含む): 2129172480

約数和(自身を除く): 1238915800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 271, 340, 542, 680, 1084, 1355, 2168, 2710, 4607, 4831, 5420, 9214, 9662, 10840, 18428, 19324, 23035, 24155, 36856, 38648, 46070, 48310, 82127, 92140, 96620, 164254, 184280, 193240, 328508, 410635, 657016, 821270, 1309201, 1642540, 2618402, 3285080, 5236804, 6546005, 10473608, 13092010, 22256417, 26184020, 44512834, 52368040, 89025668, 111282085, 178051336, 222564170, 445128340, 890256680]

約数ペア:

[(1, 890256680), (2, 445128340), (4, 222564170), (5, 178051336), (8, 111282085), (10, 89025668), (17, 52368040), (20, 44512834), (34, 26184020), (40, 22256417), (68, 13092010), (85, 10473608), (136, 6546005), (170, 5236804), (271, 3285080), (340, 2618402), (542, 1642540), (680, 1309201), (1084, 821270), (1355, 657016), (2168, 410635), (2710, 328508), (4607, 193240), (4831, 184280), (5420, 164254), (9214, 96620), (9662, 92140), (10840, 82127), (18428, 48310), (19324, 46070), (23035, 38648), (24155, 36856)]