2019912920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1\times {\mathrm{1151}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 4618736640

約数和(自身を除く): 2598823720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 601, 730, 1151, 1202, 1460, 2302, 2404, 2920, 3005, 4604, 4808, 5755, 6010, 9208, 11510, 12020, 23020, 24040, 43873, 46040, 84023, 87746, 168046, 175492, 219365, 336092, 350984, 420115, 438730, 672184, 691751, 840230, 877460, 1383502, 1680460, 1754920, 2767004, 3360920, 3458755, 5534008, 6917510, 13835020, 27670040, 50497823, 100995646, 201991292, 252489115, 403982584, 504978230, 1009956460, 2019912920]

約数ペア:

[(1, 2019912920), (2, 1009956460), (4, 504978230), (5, 403982584), (8, 252489115), (10, 201991292), (20, 100995646), (40, 50497823), (73, 27670040), (146, 13835020), (292, 6917510), (365, 5534008), (584, 3458755), (601, 3360920), (730, 2767004), (1151, 1754920), (1202, 1680460), (1460, 1383502), (2302, 877460), (2404, 840230), (2920, 691751), (3005, 672184), (4604, 438730), (4808, 420115), (5755, 350984), (6010, 336092), (9208, 219365), (11510, 175492), (12020, 168046), (23020, 87746), (24040, 84023), (43873, 46040)]