404740140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{963667}}^1$

素因数の和:963686

約数の個数: 48

約数和(自身を含む): 1295169792

約数和(自身を除く): 890429652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 963667, 1927334, 2891001, 3854668, 4818335, 5782002, 6745669, 9636670, 11564004, 13491338, 14455005, 19273340, 20237007, 26982676, 28910010, 33728345, 40474014, 57820020, 67456690, 80948028, 101185035, 134913380, 202370070, 404740140]

約数ペア:

[(1, 404740140), (2, 202370070), (3, 134913380), (4, 101185035), (5, 80948028), (6, 67456690), (7, 57820020), (10, 40474014), (12, 33728345), (14, 28910010), (15, 26982676), (20, 20237007), (21, 19273340), (28, 14455005), (30, 13491338), (35, 11564004), (42, 9636670), (60, 6745669), (70, 5782002), (84, 4818335), (105, 3854668), (140, 2891001), (210, 1927334), (420, 963667)]