201389060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 431972352

約数和(自身を除く): 230583292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 383, 431, 610, 766, 862, 1220, 1532, 1724, 1915, 2155, 3830, 4310, 7660, 8620, 23363, 26291, 46726, 52582, 93452, 105164, 116815, 131455, 165073, 233630, 262910, 330146, 467260, 525820, 660292, 825365, 1650730, 3301460, 10069453, 20138906, 40277812, 50347265, 100694530, 201389060]

約数ペア:

[(1, 201389060), (2, 100694530), (4, 50347265), (5, 40277812), (10, 20138906), (20, 10069453), (61, 3301460), (122, 1650730), (244, 825365), (305, 660292), (383, 525820), (431, 467260), (610, 330146), (766, 262910), (862, 233630), (1220, 165073), (1532, 131455), (1724, 116815), (1915, 105164), (2155, 93452), (3830, 52582), (4310, 46726), (7660, 26291), (8620, 23363)]