142571100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{67891}}^1$

素因数の和:67915

約数の個数: 72

約数和(自身を含む): 471442048

約数和(自身を除く): 328870948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 67891, 135782, 203673, 271564, 339455, 407346, 475237, 678910, 814692, 950474, 1018365, 1357820, 1425711, 1697275, 1900948, 2036730, 2376185, 2851422, 3394550, 4073460, 4752370, 5091825, 5702844, 6789100, 7128555, 9504740, 10183650, 11880925, 14257110, 20367300, 23761850, 28514220, 35642775, 47523700, 71285550, 142571100]

約数ペア:

[(1, 142571100), (2, 71285550), (3, 47523700), (4, 35642775), (5, 28514220), (6, 23761850), (7, 20367300), (10, 14257110), (12, 11880925), (14, 10183650), (15, 9504740), (20, 7128555), (21, 6789100), (25, 5702844), (28, 5091825), (30, 4752370), (35, 4073460), (42, 3394550), (50, 2851422), (60, 2376185), (70, 2036730), (75, 1900948), (84, 1697275), (100, 1425711), (105, 1357820), (140, 1018365), (150, 950474), (175, 814692), (210, 678910), (300, 475237), (350, 407346), (420, 339455), (525, 271564), (700, 203673), (1050, 135782), (2100, 67891)]