2229400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 5289840

約数和(自身を除く): 3060440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 157, 200, 284, 314, 355, 568, 628, 710, 785, 1256, 1420, 1570, 1775, 2840, 3140, 3550, 3925, 6280, 7100, 7850, 11147, 14200, 15700, 22294, 31400, 44588, 55735, 89176, 111470, 222940, 278675, 445880, 557350, 1114700, 2229400]

約数ペア:

[(1, 2229400), (2, 1114700), (4, 557350), (5, 445880), (8, 278675), (10, 222940), (20, 111470), (25, 89176), (40, 55735), (50, 44588), (71, 31400), (100, 22294), (142, 15700), (157, 14200), (200, 11147), (284, 7850), (314, 7100), (355, 6280), (568, 3925), (628, 3550), (710, 3140), (785, 2840), (1256, 1775), (1420, 1570)]