2857666280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{63391}}^1$

素因数の和:63439

約数の個数: 96

約数和(自身を含む): 7804823040

約数和(自身を除く): 4947156760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1960, 2254, 3220, 4508, 5635, 6440, 9016, 11270, 22540, 45080, 63391, 126782, 253564, 316955, 443737, 507128, 633910, 887474, 1267820, 1457993, 1774948, 2218685, 2535640, 2915986, 3106159, 3549896, 4437370, 5831972, 6212318, 7289965, 8874740, 10205951, 11663944, 12424636, 14579930, 15530795, 17749480, 20411902, 24849272, 29159860, 31061590, 40823804, 51029755, 58319720, 62123180, 71441657, 81647608, 102059510, 124246360, 142883314, 204119020, 285766628, 357208285, 408238040, 571533256, 714416570, 1428833140, 2857666280]

約数ペア:

[(1, 2857666280), (2, 1428833140), (4, 714416570), (5, 571533256), (7, 408238040), (8, 357208285), (10, 285766628), (14, 204119020), (20, 142883314), (23, 124246360), (28, 102059510), (35, 81647608), (40, 71441657), (46, 62123180), (49, 58319720), (56, 51029755), (70, 40823804), (92, 31061590), (98, 29159860), (115, 24849272), (140, 20411902), (161, 17749480), (184, 15530795), (196, 14579930), (230, 12424636), (245, 11663944), (280, 10205951), (322, 8874740), (392, 7289965), (460, 6212318), (490, 5831972), (644, 4437370), (805, 3549896), (920, 3106159), (980, 2915986), (1127, 2535640), (1288, 2218685), (1610, 1774948), (1960, 1457993), (2254, 1267820), (3220, 887474), (4508, 633910), (5635, 507128), (6440, 443737), (9016, 316955), (11270, 253564), (22540, 126782), (45080, 63391)]