145000

素因数分解:

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

素因数の和:55

約数の個数: 40

約数和(自身を含む): 351450

約数和(自身を除く): 206450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 625, 725, 1000, 1160, 1250, 1450, 2500, 2900, 3625, 5000, 5800, 7250, 14500, 18125, 29000, 36250, 72500, 145000]

約数ペア:

[(1, 145000), (2, 72500), (4, 36250), (5, 29000), (8, 18125), (10, 14500), (20, 7250), (25, 5800), (29, 5000), (40, 3625), (50, 2900), (58, 2500), (100, 1450), (116, 1250), (125, 1160), (145, 1000), (200, 725), (232, 625), (250, 580), (290, 500)]