551427700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{128239}}^1$

素因数の和:128296

約数の個数: 36

約数和(自身を含む): 1224435520

約数和(自身を除く): 673007820

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 128239, 256478, 512956, 641195, 1282390, 2564780, 3205975, 5514277, 6411950, 11028554, 12823900, 22057108, 27571385, 55142770, 110285540, 137856925, 275713850, 551427700]

約数ペア:

[(1, 551427700), (2, 275713850), (4, 137856925), (5, 110285540), (10, 55142770), (20, 27571385), (25, 22057108), (43, 12823900), (50, 11028554), (86, 6411950), (100, 5514277), (172, 3205975), (215, 2564780), (430, 1282390), (860, 641195), (1075, 512956), (2150, 256478), (4300, 128239)]