390540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 1145088

約数和(自身を除く): 754548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 283, 345, 460, 566, 690, 849, 1132, 1380, 1415, 1698, 2830, 3396, 4245, 5660, 6509, 8490, 13018, 16980, 19527, 26036, 32545, 39054, 65090, 78108, 97635, 130180, 195270, 390540]

約数ペア:

[(1, 390540), (2, 195270), (3, 130180), (4, 97635), (5, 78108), (6, 65090), (10, 39054), (12, 32545), (15, 26036), (20, 19527), (23, 16980), (30, 13018), (46, 8490), (60, 6509), (69, 5660), (92, 4245), (115, 3396), (138, 2830), (230, 1698), (276, 1415), (283, 1380), (345, 1132), (460, 849), (566, 690)]