521769820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 1294324416

約数和(自身を除く): 772554596

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 241, 260, 286, 482, 572, 715, 757, 964, 1205, 1430, 1514, 2410, 2651, 2860, 3028, 3133, 3785, 4820, 5302, 6266, 7570, 8327, 9841, 10604, 12532, 13255, 15140, 15665, 16654, 19682, 26510, 31330, 33308, 34463, 39364, 41635, 49205, 53020, 62660, 68926, 83270, 98410, 108251, 137852, 166540, 172315, 182437, 196820, 216502, 344630, 364874, 433004, 541255, 689260, 729748, 912185, 1082510, 1824370, 2006807, 2165020, 2371681, 3648740, 4013614, 4743362, 8027228, 9486724, 10034035, 11858405, 20068070, 23716810, 26088491, 40136140, 47433620, 52176982, 104353964, 130442455, 260884910, 521769820]

約数ペア:

[(1, 521769820), (2, 260884910), (4, 130442455), (5, 104353964), (10, 52176982), (11, 47433620), (13, 40136140), (20, 26088491), (22, 23716810), (26, 20068070), (44, 11858405), (52, 10034035), (55, 9486724), (65, 8027228), (110, 4743362), (130, 4013614), (143, 3648740), (220, 2371681), (241, 2165020), (260, 2006807), (286, 1824370), (482, 1082510), (572, 912185), (715, 729748), (757, 689260), (964, 541255), (1205, 433004), (1430, 364874), (1514, 344630), (2410, 216502), (2651, 196820), (2860, 182437), (3028, 172315), (3133, 166540), (3785, 137852), (4820, 108251), (5302, 98410), (6266, 83270), (7570, 68926), (8327, 62660), (9841, 53020), (10604, 49205), (12532, 41635), (13255, 39364), (15140, 34463), (15665, 33308), (16654, 31330), (19682, 26510)]