130742780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 323190000

約数和(自身を除く): 192447220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1499, 1780, 2492, 2998, 3115, 4361, 5996, 6230, 7495, 8722, 10493, 12460, 14990, 17444, 20986, 21805, 29980, 41972, 43610, 52465, 73451, 87220, 104930, 133411, 146902, 209860, 266822, 293804, 367255, 533644, 667055, 734510, 933877, 1334110, 1469020, 1867754, 2668220, 3735508, 4669385, 6537139, 9338770, 13074278, 18677540, 26148556, 32685695, 65371390, 130742780]

約数ペア:

[(1, 130742780), (2, 65371390), (4, 32685695), (5, 26148556), (7, 18677540), (10, 13074278), (14, 9338770), (20, 6537139), (28, 4669385), (35, 3735508), (49, 2668220), (70, 1867754), (89, 1469020), (98, 1334110), (140, 933877), (178, 734510), (196, 667055), (245, 533644), (356, 367255), (445, 293804), (490, 266822), (623, 209860), (890, 146902), (980, 133411), (1246, 104930), (1499, 87220), (1780, 73451), (2492, 52465), (2998, 43610), (3115, 41972), (4361, 29980), (5996, 21805), (6230, 20986), (7495, 17444), (8722, 14990), (10493, 12460)]