31979090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 72394560

約数和(自身を除く): 40415470

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 107, 110, 121, 130, 143, 190, 209, 214, 242, 247, 286, 418, 494, 535, 605, 715, 1045, 1070, 1177, 1210, 1235, 1391, 1430, 1573, 2033, 2090, 2299, 2354, 2470, 2717, 2782, 3146, 4066, 4598, 5434, 5885, 6955, 7865, 10165, 11495, 11770, 12947, 13585, 13910, 15301, 15730, 20330, 22363, 22990, 25894, 26429, 27170, 29887, 30602, 44726, 52858, 59774, 64735, 76505, 111815, 129470, 132145, 149435, 153010, 168311, 223630, 245993, 264290, 290719, 298870, 336622, 491986, 581438, 841555, 1229965, 1453595, 1683110, 2459930, 2907190, 3197909, 6395818, 15989545, 31979090]

約数ペア:

[(1, 31979090), (2, 15989545), (5, 6395818), (10, 3197909), (11, 2907190), (13, 2459930), (19, 1683110), (22, 1453595), (26, 1229965), (38, 841555), (55, 581438), (65, 491986), (95, 336622), (107, 298870), (110, 290719), (121, 264290), (130, 245993), (143, 223630), (190, 168311), (209, 153010), (214, 149435), (242, 132145), (247, 129470), (286, 111815), (418, 76505), (494, 64735), (535, 59774), (605, 52858), (715, 44726), (1045, 30602), (1070, 29887), (1177, 27170), (1210, 26429), (1235, 25894), (1391, 22990), (1430, 22363), (1573, 20330), (2033, 15730), (2090, 15301), (2299, 13910), (2354, 13585), (2470, 12947), (2717, 11770), (2782, 11495), (3146, 10165), (4066, 7865), (4598, 6955), (5434, 5885)]