2100900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 6249600

約数和(自身を除く): 4148700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 94, 100, 141, 149, 150, 188, 235, 282, 298, 300, 447, 470, 564, 596, 705, 745, 894, 940, 1175, 1410, 1490, 1788, 2235, 2350, 2820, 2980, 3525, 3725, 4470, 4700, 7003, 7050, 7450, 8940, 11175, 14006, 14100, 14900, 21009, 22350, 28012, 35015, 42018, 44700, 70030, 84036, 105045, 140060, 175075, 210090, 350150, 420180, 525225, 700300, 1050450, 2100900]

約数ペア:

[(1, 2100900), (2, 1050450), (3, 700300), (4, 525225), (5, 420180), (6, 350150), (10, 210090), (12, 175075), (15, 140060), (20, 105045), (25, 84036), (30, 70030), (47, 44700), (50, 42018), (60, 35015), (75, 28012), (94, 22350), (100, 21009), (141, 14900), (149, 14100), (150, 14006), (188, 11175), (235, 8940), (282, 7450), (298, 7050), (300, 7003), (447, 4700), (470, 4470), (564, 3725), (596, 3525), (705, 2980), (745, 2820), (894, 2350), (940, 2235), (1175, 1788), (1410, 1490)]