71668400

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1446

約数の個数: 60

約数和(自身を含む): 173556600

約数和(自身を除く): 101888200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1289, 1390, 2224, 2578, 2780, 3475, 5156, 5560, 6445, 6950, 10312, 11120, 12890, 13900, 20624, 25780, 27800, 32225, 51560, 55600, 64450, 103120, 128900, 179171, 257800, 358342, 515600, 716684, 895855, 1433368, 1791710, 2866736, 3583420, 4479275, 7166840, 8958550, 14333680, 17917100, 35834200, 71668400]

約数ペア:

[(1, 71668400), (2, 35834200), (4, 17917100), (5, 14333680), (8, 8958550), (10, 7166840), (16, 4479275), (20, 3583420), (25, 2866736), (40, 1791710), (50, 1433368), (80, 895855), (100, 716684), (139, 515600), (200, 358342), (278, 257800), (400, 179171), (556, 128900), (695, 103120), (1112, 64450), (1289, 55600), (1390, 51560), (2224, 32225), (2578, 27800), (2780, 25780), (3475, 20624), (5156, 13900), (5560, 12890), (6445, 11120), (6950, 10312)]