1798000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 80

約数和(自身を含む): 4642560

約数和(自身を除く): 2844560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 40, 50, 58, 62, 80, 100, 116, 124, 125, 145, 155, 200, 232, 248, 250, 290, 310, 400, 464, 496, 500, 580, 620, 725, 775, 899, 1000, 1160, 1240, 1450, 1550, 1798, 2000, 2320, 2480, 2900, 3100, 3596, 3625, 3875, 4495, 5800, 6200, 7192, 7250, 7750, 8990, 11600, 12400, 14384, 14500, 15500, 17980, 22475, 29000, 31000, 35960, 44950, 58000, 62000, 71920, 89900, 112375, 179800, 224750, 359600, 449500, 899000, 1798000]

約数ペア:

[(1, 1798000), (2, 899000), (4, 449500), (5, 359600), (8, 224750), (10, 179800), (16, 112375), (20, 89900), (25, 71920), (29, 62000), (31, 58000), (40, 44950), (50, 35960), (58, 31000), (62, 29000), (80, 22475), (100, 17980), (116, 15500), (124, 14500), (125, 14384), (145, 12400), (155, 11600), (200, 8990), (232, 7750), (248, 7250), (250, 7192), (290, 6200), (310, 5800), (400, 4495), (464, 3875), (496, 3625), (500, 3596), (580, 3100), (620, 2900), (725, 2480), (775, 2320), (899, 2000), (1000, 1798), (1160, 1550), (1240, 1450)]