1989750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{379}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 5690880

約数和(自身を除く): 3701130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 379, 525, 750, 758, 875, 1050, 1137, 1750, 1895, 2274, 2625, 2653, 3790, 5250, 5306, 5685, 7959, 9475, 11370, 13265, 15918, 18950, 26530, 28425, 39795, 47375, 56850, 66325, 79590, 94750, 132650, 142125, 198975, 284250, 331625, 397950, 663250, 994875, 1989750]

約数ペア:

[(1, 1989750), (2, 994875), (3, 663250), (5, 397950), (6, 331625), (7, 284250), (10, 198975), (14, 142125), (15, 132650), (21, 94750), (25, 79590), (30, 66325), (35, 56850), (42, 47375), (50, 39795), (70, 28425), (75, 26530), (105, 18950), (125, 15918), (150, 13265), (175, 11370), (210, 9475), (250, 7959), (350, 5685), (375, 5306), (379, 5250), (525, 3790), (750, 2653), (758, 2625), (875, 2274), (1050, 1895), (1137, 1750)]