19128400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 50856120

約数和(自身を除く): 31727720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 34, 40, 50, 58, 68, 80, 85, 97, 100, 116, 136, 145, 170, 194, 200, 232, 272, 290, 340, 388, 400, 425, 464, 485, 493, 580, 680, 725, 776, 850, 970, 986, 1160, 1360, 1450, 1552, 1649, 1700, 1940, 1972, 2320, 2425, 2465, 2813, 2900, 3298, 3400, 3880, 3944, 4850, 4930, 5626, 5800, 6596, 6800, 7760, 7888, 8245, 9700, 9860, 11252, 11600, 12325, 13192, 14065, 16490, 19400, 19720, 22504, 24650, 26384, 28130, 32980, 38800, 39440, 41225, 45008, 47821, 49300, 56260, 65960, 70325, 82450, 95642, 98600, 112520, 131920, 140650, 164900, 191284, 197200, 225040, 239105, 281300, 329800, 382568, 478210, 562600, 659600, 765136, 956420, 1125200, 1195525, 1912840, 2391050, 3825680, 4782100, 9564200, 19128400]

約数ペア:

[(1, 19128400), (2, 9564200), (4, 4782100), (5, 3825680), (8, 2391050), (10, 1912840), (16, 1195525), (17, 1125200), (20, 956420), (25, 765136), (29, 659600), (34, 562600), (40, 478210), (50, 382568), (58, 329800), (68, 281300), (80, 239105), (85, 225040), (97, 197200), (100, 191284), (116, 164900), (136, 140650), (145, 131920), (170, 112520), (194, 98600), (200, 95642), (232, 82450), (272, 70325), (290, 65960), (340, 56260), (388, 49300), (400, 47821), (425, 45008), (464, 41225), (485, 39440), (493, 38800), (580, 32980), (680, 28130), (725, 26384), (776, 24650), (850, 22504), (970, 19720), (986, 19400), (1160, 16490), (1360, 14065), (1450, 13192), (1552, 12325), (1649, 11600), (1700, 11252), (1940, 9860), (1972, 9700), (2320, 8245), (2425, 7888), (2465, 7760), (2813, 6800), (2900, 6596), (3298, 5800), (3400, 5626), (3880, 4930), (3944, 4850)]