386077840

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7459}}^1$

素因数の和:8119

約数の個数: 40

約数和(自身を含む): 899138880

約数和(自身を除く): 513061040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 5176, 6470, 7459, 10352, 12940, 14918, 25880, 29836, 37295, 51760, 59672, 74590, 119344, 149180, 298360, 596720, 4825973, 9651946, 19303892, 24129865, 38607784, 48259730, 77215568, 96519460, 193038920, 386077840]

約数ペア:

[(1, 386077840), (2, 193038920), (4, 96519460), (5, 77215568), (8, 48259730), (10, 38607784), (16, 24129865), (20, 19303892), (40, 9651946), (80, 4825973), (647, 596720), (1294, 298360), (2588, 149180), (3235, 119344), (5176, 74590), (6470, 59672), (7459, 51760), (10352, 37295), (12940, 29836), (14918, 25880)]