2738940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 7741440

約数和(自身を除く): 5002500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 239, 382, 478, 573, 717, 764, 955, 956, 1146, 1195, 1434, 1910, 2292, 2390, 2865, 2868, 3585, 3820, 4780, 5730, 7170, 11460, 14340, 45649, 91298, 136947, 182596, 228245, 273894, 456490, 547788, 684735, 912980, 1369470, 2738940]

約数ペア:

[(1, 2738940), (2, 1369470), (3, 912980), (4, 684735), (5, 547788), (6, 456490), (10, 273894), (12, 228245), (15, 182596), (20, 136947), (30, 91298), (60, 45649), (191, 14340), (239, 11460), (382, 7170), (478, 5730), (573, 4780), (717, 3820), (764, 3585), (955, 2868), (956, 2865), (1146, 2390), (1195, 2292), (1434, 1910)]