31121090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3147

約数の個数: 64

約数和(自身を含む): 75237120

約数和(自身を除く): 44116030

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 3109, 5005, 6218, 10010, 15545, 21763, 31090, 34199, 40417, 43526, 68398, 80834, 108815, 170995, 202085, 217630, 239393, 282919, 341990, 404170, 444587, 478786, 565838, 889174, 1196965, 1414595, 2222935, 2393930, 2829190, 3112109, 4445870, 6224218, 15560545, 31121090]

約数ペア:

[(1, 31121090), (2, 15560545), (5, 6224218), (7, 4445870), (10, 3112109), (11, 2829190), (13, 2393930), (14, 2222935), (22, 1414595), (26, 1196965), (35, 889174), (55, 565838), (65, 478786), (70, 444587), (77, 404170), (91, 341990), (110, 282919), (130, 239393), (143, 217630), (154, 202085), (182, 170995), (286, 108815), (385, 80834), (455, 68398), (715, 43526), (770, 40417), (910, 34199), (1001, 31090), (1430, 21763), (2002, 15545), (3109, 10010), (5005, 6218)]