18725300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 45934560

約数和(自身を除く): 27209260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 587, 638, 725, 1100, 1174, 1276, 1450, 1595, 2348, 2900, 2935, 3190, 5870, 6380, 6457, 7975, 11740, 12914, 14675, 15950, 17023, 25828, 29350, 31900, 32285, 34046, 58700, 64570, 68092, 85115, 129140, 161425, 170230, 187253, 322850, 340460, 374506, 425575, 645700, 749012, 851150, 936265, 1702300, 1872530, 3745060, 4681325, 9362650, 18725300]

約数ペア:

[(1, 18725300), (2, 9362650), (4, 4681325), (5, 3745060), (10, 1872530), (11, 1702300), (20, 936265), (22, 851150), (25, 749012), (29, 645700), (44, 425575), (50, 374506), (55, 340460), (58, 322850), (100, 187253), (110, 170230), (116, 161425), (145, 129140), (220, 85115), (275, 68092), (290, 64570), (319, 58700), (550, 34046), (580, 32285), (587, 31900), (638, 29350), (725, 25828), (1100, 17023), (1174, 15950), (1276, 14675), (1450, 12914), (1595, 11740), (2348, 7975), (2900, 6457), (2935, 6380), (3190, 5870)]