4019960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{293}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 10584000

約数和(自身を除く): 6564040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 293, 343, 392, 490, 586, 686, 980, 1172, 1372, 1465, 1715, 1960, 2051, 2344, 2744, 2930, 3430, 4102, 5860, 6860, 8204, 10255, 11720, 13720, 14357, 16408, 20510, 28714, 41020, 57428, 71785, 82040, 100499, 114856, 143570, 200998, 287140, 401996, 502495, 574280, 803992, 1004990, 2009980, 4019960]

約数ペア:

[(1, 4019960), (2, 2009980), (4, 1004990), (5, 803992), (7, 574280), (8, 502495), (10, 401996), (14, 287140), (20, 200998), (28, 143570), (35, 114856), (40, 100499), (49, 82040), (56, 71785), (70, 57428), (98, 41020), (140, 28714), (196, 20510), (245, 16408), (280, 14357), (293, 13720), (343, 11720), (392, 10255), (490, 8204), (586, 6860), (686, 5860), (980, 4102), (1172, 3430), (1372, 2930), (1465, 2744), (1715, 2344), (1960, 2051)]