1220000

素因数分解:

$2^5\times 5^4\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 60

約数和(自身を含む): 3050586

約数和(自身を除く): 1830586

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 125, 160, 200, 244, 250, 305, 400, 488, 500, 610, 625, 800, 976, 1000, 1220, 1250, 1525, 1952, 2000, 2440, 2500, 3050, 4000, 4880, 5000, 6100, 7625, 9760, 10000, 12200, 15250, 20000, 24400, 30500, 38125, 48800, 61000, 76250, 122000, 152500, 244000, 305000, 610000, 1220000]

約数ペア:

[(1, 1220000), (2, 610000), (4, 305000), (5, 244000), (8, 152500), (10, 122000), (16, 76250), (20, 61000), (25, 48800), (32, 38125), (40, 30500), (50, 24400), (61, 20000), (80, 15250), (100, 12200), (122, 10000), (125, 9760), (160, 7625), (200, 6100), (244, 5000), (250, 4880), (305, 4000), (400, 3050), (488, 2500), (500, 2440), (610, 2000), (625, 1952), (800, 1525), (976, 1250), (1000, 1220)]