89447890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 192326400

約数和(自身を除く): 102878510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 139, 145, 203, 278, 290, 317, 406, 634, 695, 973, 1015, 1390, 1585, 1946, 2030, 2219, 3170, 4031, 4438, 4865, 8062, 9193, 9730, 11095, 18386, 20155, 22190, 28217, 40310, 44063, 45965, 56434, 64351, 88126, 91930, 128702, 141085, 220315, 282170, 308441, 321755, 440630, 616882, 643510, 1277827, 1542205, 2555654, 3084410, 6389135, 8944789, 12778270, 17889578, 44723945, 89447890]

約数ペア:

[(1, 89447890), (2, 44723945), (5, 17889578), (7, 12778270), (10, 8944789), (14, 6389135), (29, 3084410), (35, 2555654), (58, 1542205), (70, 1277827), (139, 643510), (145, 616882), (203, 440630), (278, 321755), (290, 308441), (317, 282170), (406, 220315), (634, 141085), (695, 128702), (973, 91930), (1015, 88126), (1390, 64351), (1585, 56434), (1946, 45965), (2030, 44063), (2219, 40310), (3170, 28217), (4031, 22190), (4438, 20155), (4865, 18386), (8062, 11095), (9193, 9730)]