26981900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 67287360

約数和(自身を除く): 40305460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1291, 1900, 2090, 2582, 4180, 5164, 5225, 6455, 10450, 12910, 14201, 20900, 24529, 25820, 28402, 32275, 49058, 56804, 64550, 71005, 98116, 122645, 129100, 142010, 245290, 269819, 284020, 355025, 490580, 539638, 613225, 710050, 1079276, 1226450, 1349095, 1420100, 2452900, 2698190, 5396380, 6745475, 13490950, 26981900]

約数ペア:

[(1, 26981900), (2, 13490950), (4, 6745475), (5, 5396380), (10, 2698190), (11, 2452900), (19, 1420100), (20, 1349095), (22, 1226450), (25, 1079276), (38, 710050), (44, 613225), (50, 539638), (55, 490580), (76, 355025), (95, 284020), (100, 269819), (110, 245290), (190, 142010), (209, 129100), (220, 122645), (275, 98116), (380, 71005), (418, 64550), (475, 56804), (550, 49058), (836, 32275), (950, 28402), (1045, 25820), (1100, 24529), (1291, 20900), (1900, 14201), (2090, 12910), (2582, 10450), (4180, 6455), (5164, 5225)]