2019964575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{21157}}^1$

素因数の和:21256

約数の個数: 48

約数和(自身を含む): 3568085120

約数和(自身を除く): 1548120545

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 201, 285, 335, 475, 1005, 1273, 1425, 1675, 3819, 5025, 6365, 19095, 21157, 31825, 63471, 95475, 105785, 317355, 401983, 528925, 1205949, 1417519, 1586775, 2009915, 4252557, 6029745, 7087595, 10049575, 21262785, 26932861, 30148725, 35437975, 80798583, 106313925, 134664305, 403992915, 673321525, 2019964575]

約数ペア:

[(1, 2019964575), (3, 673321525), (5, 403992915), (15, 134664305), (19, 106313925), (25, 80798583), (57, 35437975), (67, 30148725), (75, 26932861), (95, 21262785), (201, 10049575), (285, 7087595), (335, 6029745), (475, 4252557), (1005, 2009915), (1273, 1586775), (1425, 1417519), (1675, 1205949), (3819, 528925), (5025, 401983), (6365, 317355), (19095, 105785), (21157, 95475), (31825, 63471)]