404002820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67559}}^1$

素因数の和:67604

約数の個数: 48

約数和(自身を含む): 953406720

約数和(自身を除く): 549403900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 67559, 135118, 270236, 337795, 675590, 878267, 1351180, 1553857, 1756534, 3107714, 3513068, 4391335, 6215428, 7769285, 8782670, 15538570, 17565340, 20200141, 31077140, 40400282, 80800564, 101000705, 202001410, 404002820]

約数ペア:

[(1, 404002820), (2, 202001410), (4, 101000705), (5, 80800564), (10, 40400282), (13, 31077140), (20, 20200141), (23, 17565340), (26, 15538570), (46, 8782670), (52, 7769285), (65, 6215428), (92, 4391335), (115, 3513068), (130, 3107714), (230, 1756534), (260, 1553857), (299, 1351180), (460, 878267), (598, 675590), (1196, 337795), (1495, 270236), (2990, 135118), (5980, 67559)]