812461100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{25469}}^1$

素因数の和:25523

約数の個数: 72

約数和(自身を含む): 1989716400

約数和(自身を除く): 1177255300

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, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 25469, 31900, 50938, 101876, 127345, 254690, 280159, 509380, 560318, 636725, 738601, 1120636, 1273450, 1400795, 1477202, 2546900, 2801590, 2954404, 3693005, 5603180, 7003975, 7386010, 8124611, 14007950, 14772020, 16249222, 18465025, 28015900, 32498444, 36930050, 40623055, 73860100, 81246110, 162492220, 203115275, 406230550, 812461100]

約数ペア:

[(1, 812461100), (2, 406230550), (4, 203115275), (5, 162492220), (10, 81246110), (11, 73860100), (20, 40623055), (22, 36930050), (25, 32498444), (29, 28015900), (44, 18465025), (50, 16249222), (55, 14772020), (58, 14007950), (100, 8124611), (110, 7386010), (116, 7003975), (145, 5603180), (220, 3693005), (275, 2954404), (290, 2801590), (319, 2546900), (550, 1477202), (580, 1400795), (638, 1273450), (725, 1120636), (1100, 738601), (1276, 636725), (1450, 560318), (1595, 509380), (2900, 280159), (3190, 254690), (6380, 127345), (7975, 101876), (15950, 50938), (25469, 31900)]