381408390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{385261}}^1$

素因数の和:385285

約数の個数: 48

約数和(自身を含む): 1081815696

約数和(自身を除く): 700407306

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 385261, 770522, 1155783, 1926305, 2311566, 3467349, 3852610, 4237871, 5778915, 6934698, 8475742, 11557830, 12713613, 17336745, 21189355, 25427226, 34673490, 38140839, 42378710, 63568065, 76281678, 127136130, 190704195, 381408390]

約数ペア:

[(1, 381408390), (2, 190704195), (3, 127136130), (5, 76281678), (6, 63568065), (9, 42378710), (10, 38140839), (11, 34673490), (15, 25427226), (18, 21189355), (22, 17336745), (30, 12713613), (33, 11557830), (45, 8475742), (55, 6934698), (66, 5778915), (90, 4237871), (99, 3852610), (110, 3467349), (165, 2311566), (198, 1926305), (330, 1155783), (495, 770522), (990, 385261)]