697990020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127837}}^1$

素因数の和:127869

約数の個数: 96

約数和(自身を含む): 2405399808

約数和(自身を除く): 1707409788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 127837, 255674, 383511, 511348, 639185, 767022, 894859, 1278370, 1534044, 1661881, 1789718, 1917555, 2556740, 2684577, 3323762, 3579436, 3835110, 4474295, 4985643, 5369154, 6647524, 7670220, 8309405, 8948590, 9971286, 10738308, 11633167, 13422885, 16618810, 17897180, 19942572, 23266334, 24928215, 26845770, 33237620, 34899501, 46532668, 49856430, 53691540, 58165835, 69799002, 99712860, 116331670, 139598004, 174497505, 232663340, 348995010, 697990020]

約数ペア:

[(1, 697990020), (2, 348995010), (3, 232663340), (4, 174497505), (5, 139598004), (6, 116331670), (7, 99712860), (10, 69799002), (12, 58165835), (13, 53691540), (14, 49856430), (15, 46532668), (20, 34899501), (21, 33237620), (26, 26845770), (28, 24928215), (30, 23266334), (35, 19942572), (39, 17897180), (42, 16618810), (52, 13422885), (60, 11633167), (65, 10738308), (70, 9971286), (78, 8948590), (84, 8309405), (91, 7670220), (105, 6647524), (130, 5369154), (140, 4985643), (156, 4474295), (182, 3835110), (195, 3579436), (210, 3323762), (260, 2684577), (273, 2556740), (364, 1917555), (390, 1789718), (420, 1661881), (455, 1534044), (546, 1278370), (780, 894859), (910, 767022), (1092, 639185), (1365, 511348), (1820, 383511), (2730, 255674), (5460, 127837)]