2017278260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 4550515200

約数和(自身を除く): 2533236940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 113, 190, 218, 226, 380, 431, 436, 452, 545, 565, 862, 1090, 1130, 1724, 2071, 2147, 2155, 2180, 2260, 4142, 4294, 4310, 8189, 8284, 8588, 8620, 10355, 10735, 12317, 16378, 20710, 21470, 24634, 32756, 40945, 41420, 42940, 46979, 48703, 49268, 61585, 81890, 93958, 97406, 123170, 163780, 187916, 194812, 234023, 234895, 243515, 246340, 468046, 469790, 487030, 892601, 925357, 936092, 939580, 974060, 1170115, 1785202, 1850714, 2340230, 3570404, 3701428, 4463005, 4626785, 4680460, 5308627, 8926010, 9253570, 10617254, 17852020, 18507140, 21234508, 26543135, 53086270, 100863913, 106172540, 201727826, 403455652, 504319565, 1008639130, 2017278260]

約数ペア:

[(1, 2017278260), (2, 1008639130), (4, 504319565), (5, 403455652), (10, 201727826), (19, 106172540), (20, 100863913), (38, 53086270), (76, 26543135), (95, 21234508), (109, 18507140), (113, 17852020), (190, 10617254), (218, 9253570), (226, 8926010), (380, 5308627), (431, 4680460), (436, 4626785), (452, 4463005), (545, 3701428), (565, 3570404), (862, 2340230), (1090, 1850714), (1130, 1785202), (1724, 1170115), (2071, 974060), (2147, 939580), (2155, 936092), (2180, 925357), (2260, 892601), (4142, 487030), (4294, 469790), (4310, 468046), (8189, 246340), (8284, 243515), (8588, 234895), (8620, 234023), (10355, 194812), (10735, 187916), (12317, 163780), (16378, 123170), (20710, 97406), (21470, 93958), (24634, 81890), (32756, 61585), (40945, 49268), (41420, 48703), (42940, 46979)]