393500560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{213859}}^1$

素因数の和:213895

約数の個数: 40

約数和(自身を含む): 954671040

約数和(自身を除く): 561170480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 213859, 427718, 855436, 1069295, 1710872, 2138590, 3421744, 4277180, 4918757, 8554360, 9837514, 17108720, 19675028, 24593785, 39350056, 49187570, 78700112, 98375140, 196750280, 393500560]

約数ペア:

[(1, 393500560), (2, 196750280), (4, 98375140), (5, 78700112), (8, 49187570), (10, 39350056), (16, 24593785), (20, 19675028), (23, 17108720), (40, 9837514), (46, 8554360), (80, 4918757), (92, 4277180), (115, 3421744), (184, 2138590), (230, 1710872), (368, 1069295), (460, 855436), (920, 427718), (1840, 213859)]