30420200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 71563500

約数和(自身を除く): 41143300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1709, 1780, 2225, 3418, 3560, 4450, 6836, 8545, 8900, 13672, 17090, 17800, 34180, 42725, 68360, 85450, 152101, 170900, 304202, 341800, 608404, 760505, 1216808, 1521010, 3042020, 3802525, 6084040, 7605050, 15210100, 30420200]

約数ペア:

[(1, 30420200), (2, 15210100), (4, 7605050), (5, 6084040), (8, 3802525), (10, 3042020), (20, 1521010), (25, 1216808), (40, 760505), (50, 608404), (89, 341800), (100, 304202), (178, 170900), (200, 152101), (356, 85450), (445, 68360), (712, 42725), (890, 34180), (1709, 17800), (1780, 17090), (2225, 13672), (3418, 8900), (3560, 8545), (4450, 6836)]