53901100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2579}}^1$

素因数の和:2623

約数の個数: 72

約数和(自身を含む): 134366400

約数和(自身を除く): 80465300

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, 1900, 2090, 2579, 4180, 5158, 5225, 10316, 10450, 12895, 20900, 25790, 28369, 49001, 51580, 56738, 64475, 98002, 113476, 128950, 141845, 196004, 245005, 257900, 283690, 490010, 539011, 567380, 709225, 980020, 1078022, 1225025, 1418450, 2156044, 2450050, 2695055, 2836900, 4900100, 5390110, 10780220, 13475275, 26950550, 53901100]

約数ペア:

[(1, 53901100), (2, 26950550), (4, 13475275), (5, 10780220), (10, 5390110), (11, 4900100), (19, 2836900), (20, 2695055), (22, 2450050), (25, 2156044), (38, 1418450), (44, 1225025), (50, 1078022), (55, 980020), (76, 709225), (95, 567380), (100, 539011), (110, 490010), (190, 283690), (209, 257900), (220, 245005), (275, 196004), (380, 141845), (418, 128950), (475, 113476), (550, 98002), (836, 64475), (950, 56738), (1045, 51580), (1100, 49001), (1900, 28369), (2090, 25790), (2579, 20900), (4180, 12895), (5158, 10450), (5225, 10316)]