4979980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 11261376

約数和(自身を除く): 6281396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 151, 170, 194, 302, 340, 388, 485, 604, 755, 970, 1510, 1649, 1940, 2567, 3020, 3298, 5134, 6596, 8245, 10268, 12835, 14647, 16490, 25670, 29294, 32980, 51340, 58588, 73235, 146470, 248999, 292940, 497998, 995996, 1244995, 2489990, 4979980]

約数ペア:

[(1, 4979980), (2, 2489990), (4, 1244995), (5, 995996), (10, 497998), (17, 292940), (20, 248999), (34, 146470), (68, 73235), (85, 58588), (97, 51340), (151, 32980), (170, 29294), (194, 25670), (302, 16490), (340, 14647), (388, 12835), (485, 10268), (604, 8245), (755, 6596), (970, 5134), (1510, 3298), (1649, 3020), (1940, 2567)]