72265000

素因数分解:

$2^3\times 5^4\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 172210500

約数和(自身を除く): 99945500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 149, 194, 200, 250, 298, 388, 485, 500, 596, 625, 745, 776, 970, 1000, 1192, 1250, 1490, 1940, 2425, 2500, 2980, 3725, 3880, 4850, 5000, 5960, 7450, 9700, 12125, 14453, 14900, 18625, 19400, 24250, 28906, 29800, 37250, 48500, 57812, 60625, 72265, 74500, 93125, 97000, 115624, 121250, 144530, 149000, 186250, 242500, 289060, 361325, 372500, 485000, 578120, 722650, 745000, 1445300, 1806625, 2890600, 3613250, 7226500, 9033125, 14453000, 18066250, 36132500, 72265000]

約数ペア:

[(1, 72265000), (2, 36132500), (4, 18066250), (5, 14453000), (8, 9033125), (10, 7226500), (20, 3613250), (25, 2890600), (40, 1806625), (50, 1445300), (97, 745000), (100, 722650), (125, 578120), (149, 485000), (194, 372500), (200, 361325), (250, 289060), (298, 242500), (388, 186250), (485, 149000), (500, 144530), (596, 121250), (625, 115624), (745, 97000), (776, 93125), (970, 74500), (1000, 72265), (1192, 60625), (1250, 57812), (1490, 48500), (1940, 37250), (2425, 29800), (2500, 28906), (2980, 24250), (3725, 19400), (3880, 18625), (4850, 14900), (5000, 14453), (5960, 12125), (7450, 9700)]