129536500

素因数分解:

$2^2\times 5^3\times {\mathrm{449}}^1\times {\mathrm{577}}^1$

素因数の和:1045

約数の個数: 48

約数和(自身を含む): 284029200

約数和(自身を除く): 154492700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 449, 500, 577, 898, 1154, 1796, 2245, 2308, 2885, 4490, 5770, 8980, 11225, 11540, 14425, 22450, 28850, 44900, 56125, 57700, 72125, 112250, 144250, 224500, 259073, 288500, 518146, 1036292, 1295365, 2590730, 5181460, 6476825, 12953650, 25907300, 32384125, 64768250, 129536500]

約数ペア:

[(1, 129536500), (2, 64768250), (4, 32384125), (5, 25907300), (10, 12953650), (20, 6476825), (25, 5181460), (50, 2590730), (100, 1295365), (125, 1036292), (250, 518146), (449, 288500), (500, 259073), (577, 224500), (898, 144250), (1154, 112250), (1796, 72125), (2245, 57700), (2308, 56125), (2885, 44900), (4490, 28850), (5770, 22450), (8980, 14425), (11225, 11540)]