404767990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 824972400

約数和(自身を除く): 420204410

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 199, 205, 242, 398, 410, 451, 605, 902, 995, 1210, 1681, 1990, 2189, 2255, 3362, 4378, 4510, 4961, 8159, 8405, 9922, 10945, 16318, 16810, 18491, 21890, 24079, 24805, 36982, 40795, 48158, 49610, 81590, 89749, 92455, 120395, 179498, 184910, 203401, 240790, 334519, 406802, 448745, 669038, 897490, 987239, 1017005, 1672595, 1974478, 2034010, 3345190, 3679709, 4936195, 7359418, 9872390, 18398545, 36797090, 40476799, 80953598, 202383995, 404767990]

約数ペア:

[(1, 404767990), (2, 202383995), (5, 80953598), (10, 40476799), (11, 36797090), (22, 18398545), (41, 9872390), (55, 7359418), (82, 4936195), (110, 3679709), (121, 3345190), (199, 2034010), (205, 1974478), (242, 1672595), (398, 1017005), (410, 987239), (451, 897490), (605, 669038), (902, 448745), (995, 406802), (1210, 334519), (1681, 240790), (1990, 203401), (2189, 184910), (2255, 179498), (3362, 120395), (4378, 92455), (4510, 89749), (4961, 81590), (8159, 49610), (8405, 48158), (9922, 40795), (10945, 36982), (16318, 24805), (16810, 24079), (18491, 21890)]