4220425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 5803200

約数和(自身を除く): 1582775

約数列:

[1, 5, 11, 25, 55, 103, 149, 275, 515, 745, 1133, 1639, 2575, 3725, 5665, 8195, 15347, 28325, 40975, 76735, 168817, 383675, 844085, 4220425]

約数ペア:

[(1, 4220425), (5, 844085), (11, 383675), (25, 168817), (55, 76735), (103, 40975), (149, 28325), (275, 15347), (515, 8195), (745, 5665), (1133, 3725), (1639, 2575)]