29720800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:500

約数の個数: 72

約数和(自身を含む): 73495296

約数和(自身を除く): 43774496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 383, 388, 400, 485, 766, 776, 800, 970, 1532, 1552, 1915, 1940, 2425, 3064, 3104, 3830, 3880, 4850, 6128, 7660, 7760, 9575, 9700, 12256, 15320, 15520, 19150, 19400, 30640, 37151, 38300, 38800, 61280, 74302, 76600, 77600, 148604, 153200, 185755, 297208, 306400, 371510, 594416, 743020, 928775, 1188832, 1486040, 1857550, 2972080, 3715100, 5944160, 7430200, 14860400, 29720800]

約数ペア:

[(1, 29720800), (2, 14860400), (4, 7430200), (5, 5944160), (8, 3715100), (10, 2972080), (16, 1857550), (20, 1486040), (25, 1188832), (32, 928775), (40, 743020), (50, 594416), (80, 371510), (97, 306400), (100, 297208), (160, 185755), (194, 153200), (200, 148604), (383, 77600), (388, 76600), (400, 74302), (485, 61280), (766, 38800), (776, 38300), (800, 37151), (970, 30640), (1532, 19400), (1552, 19150), (1915, 15520), (1940, 15320), (2425, 12256), (3064, 9700), (3104, 9575), (3830, 7760), (3880, 7660), (4850, 6128)]