197957600

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2551}}^1$

素因数の和:2668

約数の個数: 72

約数和(自身を含む): 488437488

約数和(自身を除く): 290479888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1552, 1940, 2425, 2551, 3104, 3880, 4850, 5102, 7760, 9700, 10204, 12755, 15520, 19400, 20408, 25510, 38800, 40816, 51020, 63775, 77600, 81632, 102040, 127550, 204080, 247447, 255100, 408160, 494894, 510200, 989788, 1020400, 1237235, 1979576, 2040800, 2474470, 3959152, 4948940, 6186175, 7918304, 9897880, 12372350, 19795760, 24744700, 39591520, 49489400, 98978800, 197957600]

約数ペア:

[(1, 197957600), (2, 98978800), (4, 49489400), (5, 39591520), (8, 24744700), (10, 19795760), (16, 12372350), (20, 9897880), (25, 7918304), (32, 6186175), (40, 4948940), (50, 3959152), (80, 2474470), (97, 2040800), (100, 1979576), (160, 1237235), (194, 1020400), (200, 989788), (388, 510200), (400, 494894), (485, 408160), (776, 255100), (800, 247447), (970, 204080), (1552, 127550), (1940, 102040), (2425, 81632), (2551, 77600), (3104, 63775), (3880, 51020), (4850, 40816), (5102, 38800), (7760, 25510), (9700, 20408), (10204, 19400), (12755, 15520)]