311920180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109063}}^1$

素因数の和:109096

約数の個数: 48

約数和(自身を含む): 769555584

約数和(自身を除く): 457635404

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 109063, 218126, 436252, 545315, 1090630, 1199693, 1417819, 2181260, 2399386, 2835638, 4798772, 5671276, 5998465, 7089095, 11996930, 14178190, 15596009, 23993860, 28356380, 31192018, 62384036, 77980045, 155960090, 311920180]

約数ペア:

[(1, 311920180), (2, 155960090), (4, 77980045), (5, 62384036), (10, 31192018), (11, 28356380), (13, 23993860), (20, 15596009), (22, 14178190), (26, 11996930), (44, 7089095), (52, 5998465), (55, 5671276), (65, 4798772), (110, 2835638), (130, 2399386), (143, 2181260), (220, 1417819), (260, 1199693), (286, 1090630), (572, 545315), (715, 436252), (1430, 218126), (2860, 109063)]