2739880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4517720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 479, 520, 572, 715, 958, 1144, 1430, 1916, 2395, 2860, 3832, 4790, 5269, 5720, 6227, 9580, 10538, 12454, 19160, 21076, 24908, 26345, 31135, 42152, 49816, 52690, 62270, 68497, 105380, 124540, 136994, 210760, 249080, 273988, 342485, 547976, 684970, 1369940, 2739880]

約数ペア:

[(1, 2739880), (2, 1369940), (4, 684970), (5, 547976), (8, 342485), (10, 273988), (11, 249080), (13, 210760), (20, 136994), (22, 124540), (26, 105380), (40, 68497), (44, 62270), (52, 52690), (55, 49816), (65, 42152), (88, 31135), (104, 26345), (110, 24908), (130, 21076), (143, 19160), (220, 12454), (260, 10538), (286, 9580), (440, 6227), (479, 5720), (520, 5269), (572, 4790), (715, 3832), (958, 2860), (1144, 2395), (1430, 1916)]