216947600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7639}}^1$

素因数の和:7728

約数の個数: 60

約数和(自身を含む): 528626880

約数和(自身を除く): 311679280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 7639, 14200, 15278, 28400, 30556, 38195, 61112, 76390, 122224, 152780, 190975, 305560, 381950, 542369, 611120, 763900, 1084738, 1527800, 2169476, 2711845, 3055600, 4338952, 5423690, 8677904, 10847380, 13559225, 21694760, 27118450, 43389520, 54236900, 108473800, 216947600]

約数ペア:

[(1, 216947600), (2, 108473800), (4, 54236900), (5, 43389520), (8, 27118450), (10, 21694760), (16, 13559225), (20, 10847380), (25, 8677904), (40, 5423690), (50, 4338952), (71, 3055600), (80, 2711845), (100, 2169476), (142, 1527800), (200, 1084738), (284, 763900), (355, 611120), (400, 542369), (568, 381950), (710, 305560), (1136, 190975), (1420, 152780), (1775, 122224), (2840, 76390), (3550, 61112), (5680, 38195), (7100, 30556), (7639, 28400), (14200, 15278)]