2019075125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 2816985600

約数和(自身を除く): 797910475

約数列:

[1, 5, 17, 23, 25, 85, 109, 115, 125, 379, 391, 425, 545, 575, 1853, 1895, 1955, 2125, 2507, 2725, 2875, 6443, 8717, 9265, 9475, 9775, 12535, 13625, 32215, 41311, 42619, 43585, 46325, 47375, 48875, 62675, 148189, 161075, 206555, 213095, 217925, 231625, 313375, 702287, 740945, 805375, 950153, 1032775, 1065475, 1089625, 3511435, 3704725, 4750765, 5163875, 5327375, 16152601, 17557175, 18523625, 23753825, 80763005, 87785875, 118769125, 403815025, 2019075125]

約数ペア:

[(1, 2019075125), (5, 403815025), (17, 118769125), (23, 87785875), (25, 80763005), (85, 23753825), (109, 18523625), (115, 17557175), (125, 16152601), (379, 5327375), (391, 5163875), (425, 4750765), (545, 3704725), (575, 3511435), (1853, 1089625), (1895, 1065475), (1955, 1032775), (2125, 950153), (2507, 805375), (2725, 740945), (2875, 702287), (6443, 313375), (8717, 231625), (9265, 217925), (9475, 213095), (9775, 206555), (12535, 161075), (13625, 148189), (32215, 62675), (41311, 48875), (42619, 47375), (43585, 46325)]