1370976520

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 3113821440

約数和(自身を除く): 1742844920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 283, 431, 562, 566, 862, 1124, 1132, 1405, 1415, 1724, 2155, 2248, 2264, 2810, 2830, 3448, 4310, 5620, 5660, 8620, 11240, 11320, 17240, 79523, 121111, 121973, 159046, 242222, 243946, 318092, 397615, 484444, 487892, 605555, 609865, 636184, 795230, 968888, 975784, 1211110, 1219730, 1590460, 2422220, 2439460, 3180920, 4844440, 4878920, 34274413, 68548826, 137097652, 171372065, 274195304, 342744130, 685488260, 1370976520]

約数ペア:

[(1, 1370976520), (2, 685488260), (4, 342744130), (5, 274195304), (8, 171372065), (10, 137097652), (20, 68548826), (40, 34274413), (281, 4878920), (283, 4844440), (431, 3180920), (562, 2439460), (566, 2422220), (862, 1590460), (1124, 1219730), (1132, 1211110), (1405, 975784), (1415, 968888), (1724, 795230), (2155, 636184), (2248, 609865), (2264, 605555), (2810, 487892), (2830, 484444), (3448, 397615), (4310, 318092), (5620, 243946), (5660, 242222), (8620, 159046), (11240, 121973), (11320, 121111), (17240, 79523)]