2225800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 5356800

約数和(自身を除く): 3131000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 359, 620, 718, 775, 1240, 1436, 1550, 1795, 2872, 3100, 3590, 6200, 7180, 8975, 11129, 14360, 17950, 22258, 35900, 44516, 55645, 71800, 89032, 111290, 222580, 278225, 445160, 556450, 1112900, 2225800]

約数ペア:

[(1, 2225800), (2, 1112900), (4, 556450), (5, 445160), (8, 278225), (10, 222580), (20, 111290), (25, 89032), (31, 71800), (40, 55645), (50, 44516), (62, 35900), (100, 22258), (124, 17950), (155, 14360), (200, 11129), (248, 8975), (310, 7180), (359, 6200), (620, 3590), (718, 3100), (775, 2872), (1240, 1795), (1436, 1550)]