1239830020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{433507}}^1$

素因数の和:433540

約数の個数: 48

約数和(自身を含む): 3058832448

約数和(自身を除く): 1819002428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 433507, 867014, 1734028, 2167535, 4335070, 4768577, 5635591, 8670140, 9537154, 11271182, 19074308, 22542364, 23842885, 28177955, 47685770, 56355910, 61991501, 95371540, 112711820, 123983002, 247966004, 309957505, 619915010, 1239830020]

約数ペア:

[(1, 1239830020), (2, 619915010), (4, 309957505), (5, 247966004), (10, 123983002), (11, 112711820), (13, 95371540), (20, 61991501), (22, 56355910), (26, 47685770), (44, 28177955), (52, 23842885), (55, 22542364), (65, 19074308), (110, 11271182), (130, 9537154), (143, 8670140), (220, 5635591), (260, 4768577), (286, 4335070), (572, 2167535), (715, 1734028), (1430, 867014), (2860, 433507)]