1121000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 2808000

約数和(自身を除く): 1687000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 59, 76, 95, 100, 118, 125, 152, 190, 200, 236, 250, 295, 380, 472, 475, 500, 590, 760, 950, 1000, 1121, 1180, 1475, 1900, 2242, 2360, 2375, 2950, 3800, 4484, 4750, 5605, 5900, 7375, 8968, 9500, 11210, 11800, 14750, 19000, 22420, 28025, 29500, 44840, 56050, 59000, 112100, 140125, 224200, 280250, 560500, 1121000]

約数ペア:

[(1, 1121000), (2, 560500), (4, 280250), (5, 224200), (8, 140125), (10, 112100), (19, 59000), (20, 56050), (25, 44840), (38, 29500), (40, 28025), (50, 22420), (59, 19000), (76, 14750), (95, 11800), (100, 11210), (118, 9500), (125, 8968), (152, 7375), (190, 5900), (200, 5605), (236, 4750), (250, 4484), (295, 3800), (380, 2950), (472, 2375), (475, 2360), (500, 2242), (590, 1900), (760, 1475), (950, 1180), (1000, 1121)]