258972500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1554

約数の個数: 60

約数和(自身を含む): 574691040

約数和(自身を除く): 315718540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 1250, 1420, 1459, 1775, 2500, 2918, 3550, 5836, 7100, 7295, 8875, 14590, 17750, 29180, 35500, 36475, 44375, 72950, 88750, 103589, 145900, 177500, 182375, 207178, 364750, 414356, 517945, 729500, 911875, 1035890, 1823750, 2071780, 2589725, 3647500, 5179450, 10358900, 12948625, 25897250, 51794500, 64743125, 129486250, 258972500]

約数ペア:

[(1, 258972500), (2, 129486250), (4, 64743125), (5, 51794500), (10, 25897250), (20, 12948625), (25, 10358900), (50, 5179450), (71, 3647500), (100, 2589725), (125, 2071780), (142, 1823750), (250, 1035890), (284, 911875), (355, 729500), (500, 517945), (625, 414356), (710, 364750), (1250, 207178), (1420, 182375), (1459, 177500), (1775, 145900), (2500, 103589), (2918, 88750), (3550, 72950), (5836, 44375), (7100, 36475), (7295, 35500), (8875, 29180), (14590, 17750)]