15385250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 31449600

約数和(自身を除く): 16064350

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 79, 82, 95, 125, 158, 190, 205, 250, 395, 410, 475, 779, 790, 950, 1025, 1501, 1558, 1975, 2050, 2375, 3002, 3239, 3895, 3950, 4750, 5125, 6478, 7505, 7790, 9875, 10250, 15010, 16195, 19475, 19750, 32390, 37525, 38950, 61541, 75050, 80975, 97375, 123082, 161950, 187625, 194750, 307705, 375250, 404875, 615410, 809750, 1538525, 3077050, 7692625, 15385250]

約数ペア:

[(1, 15385250), (2, 7692625), (5, 3077050), (10, 1538525), (19, 809750), (25, 615410), (38, 404875), (41, 375250), (50, 307705), (79, 194750), (82, 187625), (95, 161950), (125, 123082), (158, 97375), (190, 80975), (205, 75050), (250, 61541), (395, 38950), (410, 37525), (475, 32390), (779, 19750), (790, 19475), (950, 16195), (1025, 15010), (1501, 10250), (1558, 9875), (1975, 7790), (2050, 7505), (2375, 6478), (3002, 5125), (3239, 4750), (3895, 3950)]