519400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{53}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 1431270

約数和(自身を除く): 911870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 53, 56, 70, 98, 100, 106, 140, 175, 196, 200, 212, 245, 265, 280, 350, 371, 392, 424, 490, 530, 700, 742, 980, 1060, 1225, 1325, 1400, 1484, 1855, 1960, 2120, 2450, 2597, 2650, 2968, 3710, 4900, 5194, 5300, 7420, 9275, 9800, 10388, 10600, 12985, 14840, 18550, 20776, 25970, 37100, 51940, 64925, 74200, 103880, 129850, 259700, 519400]

約数ペア:

[(1, 519400), (2, 259700), (4, 129850), (5, 103880), (7, 74200), (8, 64925), (10, 51940), (14, 37100), (20, 25970), (25, 20776), (28, 18550), (35, 14840), (40, 12985), (49, 10600), (50, 10388), (53, 9800), (56, 9275), (70, 7420), (98, 5300), (100, 5194), (106, 4900), (140, 3710), (175, 2968), (196, 2650), (200, 2597), (212, 2450), (245, 2120), (265, 1960), (280, 1855), (350, 1484), (371, 1400), (392, 1325), (424, 1225), (490, 1060), (530, 980), (700, 742)]