2011608980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257239}}^1$

素因数の和:257288

約数の個数: 48

約数和(自身を含む): 4667362560

約数和(自身を除く): 2655753580

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 257239, 514478, 1028956, 1286195, 2572390, 4373063, 5144780, 5916497, 8746126, 11832994, 17492252, 21865315, 23665988, 29582485, 43730630, 59164970, 87461260, 100580449, 118329940, 201160898, 402321796, 502902245, 1005804490, 2011608980]

約数ペア:

[(1, 2011608980), (2, 1005804490), (4, 502902245), (5, 402321796), (10, 201160898), (17, 118329940), (20, 100580449), (23, 87461260), (34, 59164970), (46, 43730630), (68, 29582485), (85, 23665988), (92, 21865315), (115, 17492252), (170, 11832994), (230, 8746126), (340, 5916497), (391, 5144780), (460, 4373063), (782, 2572390), (1564, 1286195), (1955, 1028956), (3910, 514478), (7820, 257239)]