2250400

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 5741820

約数和(自身を除く): 3491420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 97, 100, 116, 145, 160, 194, 200, 232, 290, 388, 400, 464, 485, 580, 725, 776, 800, 928, 970, 1160, 1450, 1552, 1940, 2320, 2425, 2813, 2900, 3104, 3880, 4640, 4850, 5626, 5800, 7760, 9700, 11252, 11600, 14065, 15520, 19400, 22504, 23200, 28130, 38800, 45008, 56260, 70325, 77600, 90016, 112520, 140650, 225040, 281300, 450080, 562600, 1125200, 2250400]

約数ペア:

[(1, 2250400), (2, 1125200), (4, 562600), (5, 450080), (8, 281300), (10, 225040), (16, 140650), (20, 112520), (25, 90016), (29, 77600), (32, 70325), (40, 56260), (50, 45008), (58, 38800), (80, 28130), (97, 23200), (100, 22504), (116, 19400), (145, 15520), (160, 14065), (194, 11600), (200, 11252), (232, 9700), (290, 7760), (388, 5800), (400, 5626), (464, 4850), (485, 4640), (580, 3880), (725, 3104), (776, 2900), (800, 2813), (928, 2425), (970, 2320), (1160, 1940), (1450, 1552)]