2018148040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{4729}}^1$

素因数の和:5014

約数の個数: 64

約数和(自身を含む): 4658860800

約数和(自身を除く): 2640712760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 227, 235, 376, 454, 470, 908, 940, 1135, 1816, 1880, 2270, 4540, 4729, 9080, 9458, 10669, 18916, 21338, 23645, 37832, 42676, 47290, 53345, 85352, 94580, 106690, 189160, 213380, 222263, 426760, 444526, 889052, 1073483, 1111315, 1778104, 2146966, 2222630, 4293932, 4445260, 5367415, 8587864, 8890520, 10734830, 21469660, 42939320, 50453701, 100907402, 201814804, 252268505, 403629608, 504537010, 1009074020, 2018148040]

約数ペア:

[(1, 2018148040), (2, 1009074020), (4, 504537010), (5, 403629608), (8, 252268505), (10, 201814804), (20, 100907402), (40, 50453701), (47, 42939320), (94, 21469660), (188, 10734830), (227, 8890520), (235, 8587864), (376, 5367415), (454, 4445260), (470, 4293932), (908, 2222630), (940, 2146966), (1135, 1778104), (1816, 1111315), (1880, 1073483), (2270, 889052), (4540, 444526), (4729, 426760), (9080, 222263), (9458, 213380), (10669, 189160), (18916, 106690), (21338, 94580), (23645, 85352), (37832, 53345), (42676, 47290)]