225940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 564480

約数和(自身を除く): 338540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 130, 143, 158, 220, 260, 286, 316, 395, 572, 715, 790, 869, 1027, 1430, 1580, 1738, 2054, 2860, 3476, 4108, 4345, 5135, 8690, 10270, 11297, 17380, 20540, 22594, 45188, 56485, 112970, 225940]

約数ペア:

[(1, 225940), (2, 112970), (4, 56485), (5, 45188), (10, 22594), (11, 20540), (13, 17380), (20, 11297), (22, 10270), (26, 8690), (44, 5135), (52, 4345), (55, 4108), (65, 3476), (79, 2860), (110, 2054), (130, 1738), (143, 1580), (158, 1430), (220, 1027), (260, 869), (286, 790), (316, 715), (395, 572)]