20190550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 19619402

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 97, 115, 181, 194, 230, 362, 485, 575, 905, 970, 1150, 1810, 2231, 2425, 4163, 4462, 4525, 4850, 8326, 9050, 11155, 17557, 20815, 22310, 35114, 41630, 55775, 87785, 104075, 111550, 175570, 208150, 403811, 438925, 807622, 877850, 2019055, 4038110, 10095275, 20190550]

約数ペア:

[(1, 20190550), (2, 10095275), (5, 4038110), (10, 2019055), (23, 877850), (25, 807622), (46, 438925), (50, 403811), (97, 208150), (115, 175570), (181, 111550), (194, 104075), (230, 87785), (362, 55775), (485, 41630), (575, 35114), (905, 22310), (970, 20815), (1150, 17557), (1810, 11155), (2231, 9050), (2425, 8326), (4163, 4850), (4462, 4525)]