994480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 2392704

約数和(自身を除く): 1398224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 401, 496, 620, 802, 1240, 1604, 2005, 2480, 3208, 4010, 6416, 8020, 12431, 16040, 24862, 32080, 49724, 62155, 99448, 124310, 198896, 248620, 497240, 994480]

約数ペア:

[(1, 994480), (2, 497240), (4, 248620), (5, 198896), (8, 124310), (10, 99448), (16, 62155), (20, 49724), (31, 32080), (40, 24862), (62, 16040), (80, 12431), (124, 8020), (155, 6416), (248, 4010), (310, 3208), (401, 2480), (496, 2005), (620, 1604), (802, 1240)]