339865900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3911}}^1$

素因数の和:4015

約数の個数: 72

約数和(自身を含む): 814947840

約数和(自身を除く): 475081940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 1100, 1580, 1738, 1975, 3476, 3911, 3950, 4345, 7822, 7900, 8690, 15644, 17380, 19555, 21725, 39110, 43021, 43450, 78220, 86042, 86900, 97775, 172084, 195550, 215105, 308969, 391100, 430210, 617938, 860420, 1075525, 1235876, 1544845, 2151050, 3089690, 3398659, 4302100, 6179380, 6797318, 7724225, 13594636, 15448450, 16993295, 30896900, 33986590, 67973180, 84966475, 169932950, 339865900]

約数ペア:

[(1, 339865900), (2, 169932950), (4, 84966475), (5, 67973180), (10, 33986590), (11, 30896900), (20, 16993295), (22, 15448450), (25, 13594636), (44, 7724225), (50, 6797318), (55, 6179380), (79, 4302100), (100, 3398659), (110, 3089690), (158, 2151050), (220, 1544845), (275, 1235876), (316, 1075525), (395, 860420), (550, 617938), (790, 430210), (869, 391100), (1100, 308969), (1580, 215105), (1738, 195550), (1975, 172084), (3476, 97775), (3911, 86900), (3950, 86042), (4345, 78220), (7822, 43450), (7900, 43021), (8690, 39110), (15644, 21725), (17380, 19555)]