213246040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{108799}}^1$

素因数の和:108824

約数の個数: 48

約数和(自身を含む): 558144000

約数和(自身を除く): 344897960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 108799, 217598, 435196, 543995, 761593, 870392, 1087990, 1523186, 2175980, 3046372, 3807965, 4351960, 5331151, 6092744, 7615930, 10662302, 15231860, 21324604, 26655755, 30463720, 42649208, 53311510, 106623020, 213246040]

約数ペア:

[(1, 213246040), (2, 106623020), (4, 53311510), (5, 42649208), (7, 30463720), (8, 26655755), (10, 21324604), (14, 15231860), (20, 10662302), (28, 7615930), (35, 6092744), (40, 5331151), (49, 4351960), (56, 3807965), (70, 3046372), (98, 2175980), (140, 1523186), (196, 1087990), (245, 870392), (280, 761593), (392, 543995), (490, 435196), (980, 217598), (1960, 108799)]