22294000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 80

約数和(自身を含む): 55014336

約数和(自身を除く): 32720336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 157, 200, 250, 284, 314, 355, 400, 500, 568, 628, 710, 785, 1000, 1136, 1256, 1420, 1570, 1775, 2000, 2512, 2840, 3140, 3550, 3925, 5680, 6280, 7100, 7850, 8875, 11147, 12560, 14200, 15700, 17750, 19625, 22294, 28400, 31400, 35500, 39250, 44588, 55735, 62800, 71000, 78500, 89176, 111470, 142000, 157000, 178352, 222940, 278675, 314000, 445880, 557350, 891760, 1114700, 1393375, 2229400, 2786750, 4458800, 5573500, 11147000, 22294000]

約数ペア:

[(1, 22294000), (2, 11147000), (4, 5573500), (5, 4458800), (8, 2786750), (10, 2229400), (16, 1393375), (20, 1114700), (25, 891760), (40, 557350), (50, 445880), (71, 314000), (80, 278675), (100, 222940), (125, 178352), (142, 157000), (157, 142000), (200, 111470), (250, 89176), (284, 78500), (314, 71000), (355, 62800), (400, 55735), (500, 44588), (568, 39250), (628, 35500), (710, 31400), (785, 28400), (1000, 22294), (1136, 19625), (1256, 17750), (1420, 15700), (1570, 14200), (1775, 12560), (2000, 11147), (2512, 8875), (2840, 7850), (3140, 7100), (3550, 6280), (3925, 5680)]