201450500

素因数分解:

$2^2\times 5^3\times {\mathrm{617}}^1\times {\mathrm{653}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 441355824

約数和(自身を除く): 239905324

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 617, 653, 1234, 1306, 2468, 2612, 3085, 3265, 6170, 6530, 12340, 13060, 15425, 16325, 30850, 32650, 61700, 65300, 77125, 81625, 154250, 163250, 308500, 326500, 402901, 805802, 1611604, 2014505, 4029010, 8058020, 10072525, 20145050, 40290100, 50362625, 100725250, 201450500]

約数ペア:

[(1, 201450500), (2, 100725250), (4, 50362625), (5, 40290100), (10, 20145050), (20, 10072525), (25, 8058020), (50, 4029010), (100, 2014505), (125, 1611604), (250, 805802), (500, 402901), (617, 326500), (653, 308500), (1234, 163250), (1306, 154250), (2468, 81625), (2612, 77125), (3085, 65300), (3265, 61700), (6170, 32650), (6530, 30850), (12340, 16325), (13060, 15425)]