64778864900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{35831}}^1$

素因数の和:36125

約数の個数: 72

約数和(自身を含む): 142758987840

約数和(自身を除く): 77980122940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 179, 202, 358, 404, 505, 716, 895, 1010, 1790, 2020, 2525, 3580, 4475, 5050, 8950, 10100, 17900, 18079, 35831, 36158, 71662, 72316, 90395, 143324, 179155, 180790, 358310, 361580, 451975, 716620, 895775, 903950, 1791550, 1807900, 3583100, 3618931, 6413749, 7237862, 12827498, 14475724, 18094655, 25654996, 32068745, 36189310, 64137490, 72378620, 90473275, 128274980, 160343725, 180946550, 320687450, 361893100, 641374900, 647788649, 1295577298, 2591154596, 3238943245, 6477886490, 12955772980, 16194716225, 32389432450, 64778864900]

約数ペア:

[(1, 64778864900), (2, 32389432450), (4, 16194716225), (5, 12955772980), (10, 6477886490), (20, 3238943245), (25, 2591154596), (50, 1295577298), (100, 647788649), (101, 641374900), (179, 361893100), (202, 320687450), (358, 180946550), (404, 160343725), (505, 128274980), (716, 90473275), (895, 72378620), (1010, 64137490), (1790, 36189310), (2020, 32068745), (2525, 25654996), (3580, 18094655), (4475, 14475724), (5050, 12827498), (8950, 7237862), (10100, 6413749), (17900, 3618931), (18079, 3583100), (35831, 1807900), (36158, 1791550), (71662, 903950), (72316, 895775), (90395, 716620), (143324, 451975), (179155, 361580), (180790, 358310)]