2011914920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1\times {\mathrm{797}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 4568901120

約数和(自身を除く): 2556986200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 283, 446, 566, 797, 892, 1115, 1132, 1415, 1594, 1784, 2230, 2264, 2830, 3188, 3985, 4460, 5660, 6376, 7970, 8920, 11320, 15940, 31880, 63109, 126218, 177731, 225551, 252436, 315545, 355462, 451102, 504872, 631090, 710924, 888655, 902204, 1127755, 1262180, 1421848, 1777310, 1804408, 2255510, 2524360, 3554620, 4511020, 7109240, 9022040, 50297873, 100595746, 201191492, 251489365, 402382984, 502978730, 1005957460, 2011914920]

約数ペア:

[(1, 2011914920), (2, 1005957460), (4, 502978730), (5, 402382984), (8, 251489365), (10, 201191492), (20, 100595746), (40, 50297873), (223, 9022040), (283, 7109240), (446, 4511020), (566, 3554620), (797, 2524360), (892, 2255510), (1115, 1804408), (1132, 1777310), (1415, 1421848), (1594, 1262180), (1784, 1127755), (2230, 902204), (2264, 888655), (2830, 710924), (3188, 631090), (3985, 504872), (4460, 451102), (5660, 355462), (6376, 315545), (7970, 252436), (8920, 225551), (11320, 177731), (15940, 126218), (31880, 63109)]