2158950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 5513040

約数和(自身を除く): 3354090

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 389, 555, 778, 925, 1110, 1167, 1850, 1945, 2334, 2775, 3890, 5550, 5835, 9725, 11670, 14393, 19450, 28786, 29175, 43179, 58350, 71965, 86358, 143930, 215895, 359825, 431790, 719650, 1079475, 2158950]

約数ペア:

[(1, 2158950), (2, 1079475), (3, 719650), (5, 431790), (6, 359825), (10, 215895), (15, 143930), (25, 86358), (30, 71965), (37, 58350), (50, 43179), (74, 29175), (75, 28786), (111, 19450), (150, 14393), (185, 11670), (222, 9725), (370, 5835), (389, 5550), (555, 3890), (778, 2775), (925, 2334), (1110, 1945), (1167, 1850)]