123742250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 247104000

約数和(自身を除く): 123361750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 125, 190, 218, 239, 250, 475, 478, 545, 950, 1090, 1195, 2071, 2375, 2390, 2725, 4142, 4541, 4750, 5450, 5975, 9082, 10355, 11950, 13625, 20710, 22705, 26051, 27250, 29875, 45410, 51775, 52102, 59750, 103550, 113525, 130255, 227050, 258875, 260510, 494969, 517750, 567625, 651275, 989938, 1135250, 1302550, 2474845, 3256375, 4949690, 6512750, 12374225, 24748450, 61871125, 123742250]

約数ペア:

[(1, 123742250), (2, 61871125), (5, 24748450), (10, 12374225), (19, 6512750), (25, 4949690), (38, 3256375), (50, 2474845), (95, 1302550), (109, 1135250), (125, 989938), (190, 651275), (218, 567625), (239, 517750), (250, 494969), (475, 260510), (478, 258875), (545, 227050), (950, 130255), (1090, 113525), (1195, 103550), (2071, 59750), (2375, 52102), (2390, 51775), (2725, 45410), (4142, 29875), (4541, 27250), (4750, 26051), (5450, 22705), (5975, 20710), (9082, 13625), (10355, 11950)]