111127180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 238140000

約数和(自身を除く): 127012820

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 419, 445, 596, 745, 838, 890, 1490, 1676, 1780, 2095, 2980, 4190, 8380, 13261, 26522, 37291, 53044, 62431, 66305, 74582, 124862, 132610, 149164, 186455, 249724, 265220, 312155, 372910, 624310, 745820, 1248620, 5556359, 11112718, 22225436, 27781795, 55563590, 111127180]

約数ペア:

[(1, 111127180), (2, 55563590), (4, 27781795), (5, 22225436), (10, 11112718), (20, 5556359), (89, 1248620), (149, 745820), (178, 624310), (298, 372910), (356, 312155), (419, 265220), (445, 249724), (596, 186455), (745, 149164), (838, 132610), (890, 124862), (1490, 74582), (1676, 66305), (1780, 62431), (2095, 53044), (2980, 37291), (4190, 26522), (8380, 13261)]