289328930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 582329088

約数和(自身を除く): 293000158

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 137, 146, 263, 274, 365, 526, 685, 730, 803, 1315, 1370, 1507, 1606, 2630, 2893, 3014, 4015, 5786, 7535, 8030, 10001, 14465, 15070, 19199, 20002, 28930, 36031, 38398, 50005, 72062, 95995, 100010, 110011, 180155, 191990, 211189, 220022, 360310, 396341, 422378, 550055, 792682, 1055945, 1100110, 1981705, 2111890, 2630263, 3963410, 5260526, 13151315, 26302630, 28932893, 57865786, 144664465, 289328930]

約数ペア:

[(1, 289328930), (2, 144664465), (5, 57865786), (10, 28932893), (11, 26302630), (22, 13151315), (55, 5260526), (73, 3963410), (110, 2630263), (137, 2111890), (146, 1981705), (263, 1100110), (274, 1055945), (365, 792682), (526, 550055), (685, 422378), (730, 396341), (803, 360310), (1315, 220022), (1370, 211189), (1507, 191990), (1606, 180155), (2630, 110011), (2893, 100010), (3014, 95995), (4015, 72062), (5786, 50005), (7535, 38398), (8030, 36031), (10001, 28930), (14465, 20002), (15070, 19199)]