216906900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{103289}}^1$

素因数の和:103313

約数の個数: 72

約数和(自身を含む): 717245760

約数和(自身を除く): 500338860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 103289, 206578, 309867, 413156, 516445, 619734, 723023, 1032890, 1239468, 1446046, 1549335, 2065780, 2169069, 2582225, 2892092, 3098670, 3615115, 4338138, 5164450, 6197340, 7230230, 7746675, 8676276, 10328900, 10845345, 14460460, 15493350, 18075575, 21690690, 30986700, 36151150, 43381380, 54226725, 72302300, 108453450, 216906900]

約数ペア:

[(1, 216906900), (2, 108453450), (3, 72302300), (4, 54226725), (5, 43381380), (6, 36151150), (7, 30986700), (10, 21690690), (12, 18075575), (14, 15493350), (15, 14460460), (20, 10845345), (21, 10328900), (25, 8676276), (28, 7746675), (30, 7230230), (35, 6197340), (42, 5164450), (50, 4338138), (60, 3615115), (70, 3098670), (75, 2892092), (84, 2582225), (100, 2169069), (105, 2065780), (140, 1549335), (150, 1446046), (175, 1239468), (210, 1032890), (300, 723023), (350, 619734), (420, 516445), (525, 413156), (700, 309867), (1050, 206578), (2100, 103289)]