636250020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4871}}^1$

素因数の和:5201

約数の個数: 96

約数和(自身を含む): 2042966016

約数和(自身を除く): 1406715996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 311, 420, 622, 933, 1244, 1555, 1866, 2177, 3110, 3732, 4354, 4665, 4871, 6220, 6531, 8708, 9330, 9742, 10885, 13062, 14613, 18660, 19484, 21770, 24355, 26124, 29226, 32655, 34097, 43540, 48710, 58452, 65310, 68194, 73065, 97420, 102291, 130620, 136388, 146130, 170485, 204582, 292260, 340970, 409164, 511455, 681940, 1022910, 1514881, 2045820, 3029762, 4544643, 6059524, 7574405, 9089286, 10604167, 15148810, 18178572, 21208334, 22723215, 30297620, 31812501, 42416668, 45446430, 53020835, 63625002, 90892860, 106041670, 127250004, 159062505, 212083340, 318125010, 636250020]

約数ペア:

[(1, 636250020), (2, 318125010), (3, 212083340), (4, 159062505), (5, 127250004), (6, 106041670), (7, 90892860), (10, 63625002), (12, 53020835), (14, 45446430), (15, 42416668), (20, 31812501), (21, 30297620), (28, 22723215), (30, 21208334), (35, 18178572), (42, 15148810), (60, 10604167), (70, 9089286), (84, 7574405), (105, 6059524), (140, 4544643), (210, 3029762), (311, 2045820), (420, 1514881), (622, 1022910), (933, 681940), (1244, 511455), (1555, 409164), (1866, 340970), (2177, 292260), (3110, 204582), (3732, 170485), (4354, 146130), (4665, 136388), (4871, 130620), (6220, 102291), (6531, 97420), (8708, 73065), (9330, 68194), (9742, 65310), (10885, 58452), (13062, 48710), (14613, 43540), (18660, 34097), (19484, 32655), (21770, 29226), (24355, 26124)]