8440850

素因数分解:

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

素因数の和:275

約数の個数: 48

約数和(自身を含む): 17409600

約数和(自身を除く): 8968750

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 103, 110, 149, 206, 275, 298, 515, 550, 745, 1030, 1133, 1490, 1639, 2266, 2575, 3278, 3725, 5150, 5665, 7450, 8195, 11330, 15347, 16390, 28325, 30694, 40975, 56650, 76735, 81950, 153470, 168817, 337634, 383675, 767350, 844085, 1688170, 4220425, 8440850]

約数ペア:

[(1, 8440850), (2, 4220425), (5, 1688170), (10, 844085), (11, 767350), (22, 383675), (25, 337634), (50, 168817), (55, 153470), (103, 81950), (110, 76735), (149, 56650), (206, 40975), (275, 30694), (298, 28325), (515, 16390), (550, 15347), (745, 11330), (1030, 8195), (1133, 7450), (1490, 5665), (1639, 5150), (2266, 3725), (2575, 3278)]