19979250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1567}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 32856078

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1567, 2125, 2550, 3134, 4250, 4701, 6375, 7835, 9402, 12750, 15670, 23505, 26639, 39175, 47010, 53278, 78350, 79917, 117525, 133195, 159834, 195875, 235050, 266390, 391750, 399585, 587625, 665975, 799170, 1175250, 1331950, 1997925, 3329875, 3995850, 6659750, 9989625, 19979250]

約数ペア:

[(1, 19979250), (2, 9989625), (3, 6659750), (5, 3995850), (6, 3329875), (10, 1997925), (15, 1331950), (17, 1175250), (25, 799170), (30, 665975), (34, 587625), (50, 399585), (51, 391750), (75, 266390), (85, 235050), (102, 195875), (125, 159834), (150, 133195), (170, 117525), (250, 79917), (255, 78350), (375, 53278), (425, 47010), (510, 39175), (750, 26639), (850, 23505), (1275, 15670), (1567, 12750), (2125, 9402), (2550, 7835), (3134, 6375), (4250, 4701)]