4495000

素因数分解:

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

素因数の和:86

約数の個数: 80

約数和(自身を含む): 11246400

約数和(自身を除く): 6751400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 31, 40, 50, 58, 62, 100, 116, 124, 125, 145, 155, 200, 232, 248, 250, 290, 310, 500, 580, 620, 625, 725, 775, 899, 1000, 1160, 1240, 1250, 1450, 1550, 1798, 2500, 2900, 3100, 3596, 3625, 3875, 4495, 5000, 5800, 6200, 7192, 7250, 7750, 8990, 14500, 15500, 17980, 18125, 19375, 22475, 29000, 31000, 35960, 36250, 38750, 44950, 72500, 77500, 89900, 112375, 145000, 155000, 179800, 224750, 449500, 561875, 899000, 1123750, 2247500, 4495000]

約数ペア:

[(1, 4495000), (2, 2247500), (4, 1123750), (5, 899000), (8, 561875), (10, 449500), (20, 224750), (25, 179800), (29, 155000), (31, 145000), (40, 112375), (50, 89900), (58, 77500), (62, 72500), (100, 44950), (116, 38750), (124, 36250), (125, 35960), (145, 31000), (155, 29000), (200, 22475), (232, 19375), (248, 18125), (250, 17980), (290, 15500), (310, 14500), (500, 8990), (580, 7750), (620, 7250), (625, 7192), (725, 6200), (775, 5800), (899, 5000), (1000, 4495), (1160, 3875), (1240, 3625), (1250, 3596), (1450, 3100), (1550, 2900), (1798, 2500)]