121211260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 276559920

約数和(自身を除く): 155348660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 233, 370, 380, 466, 703, 740, 932, 1165, 1369, 1406, 2330, 2738, 2812, 3515, 4427, 4660, 5476, 6845, 7030, 8621, 8854, 13690, 14060, 17242, 17708, 22135, 26011, 27380, 34484, 43105, 44270, 52022, 86210, 88540, 104044, 130055, 163799, 172420, 260110, 318977, 327598, 520220, 637954, 655196, 818995, 1275908, 1594885, 1637990, 3189770, 3275980, 6060563, 6379540, 12121126, 24242252, 30302815, 60605630, 121211260]

約数ペア:

[(1, 121211260), (2, 60605630), (4, 30302815), (5, 24242252), (10, 12121126), (19, 6379540), (20, 6060563), (37, 3275980), (38, 3189770), (74, 1637990), (76, 1594885), (95, 1275908), (148, 818995), (185, 655196), (190, 637954), (233, 520220), (370, 327598), (380, 318977), (466, 260110), (703, 172420), (740, 163799), (932, 130055), (1165, 104044), (1369, 88540), (1406, 86210), (2330, 52022), (2738, 44270), (2812, 43105), (3515, 34484), (4427, 27380), (4660, 26011), (5476, 22135), (6845, 17708), (7030, 17242), (8621, 14060), (8854, 13690)]