18983300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 48163584

約数和(自身を除く): 29180284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 577, 658, 700, 940, 1154, 1175, 1316, 1645, 2308, 2350, 2885, 3290, 4039, 4700, 5770, 6580, 8078, 8225, 11540, 14425, 16156, 16450, 20195, 27119, 28850, 32900, 40390, 54238, 57700, 80780, 100975, 108476, 135595, 189833, 201950, 271190, 379666, 403900, 542380, 677975, 759332, 949165, 1355950, 1898330, 2711900, 3796660, 4745825, 9491650, 18983300]

約数ペア:

[(1, 18983300), (2, 9491650), (4, 4745825), (5, 3796660), (7, 2711900), (10, 1898330), (14, 1355950), (20, 949165), (25, 759332), (28, 677975), (35, 542380), (47, 403900), (50, 379666), (70, 271190), (94, 201950), (100, 189833), (140, 135595), (175, 108476), (188, 100975), (235, 80780), (329, 57700), (350, 54238), (470, 40390), (577, 32900), (658, 28850), (700, 27119), (940, 20195), (1154, 16450), (1175, 16156), (1316, 14425), (1645, 11540), (2308, 8225), (2350, 8078), (2885, 6580), (3290, 5770), (4039, 4700)]