1809080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 5171040

約数和(自身を除く): 3361960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 71, 91, 98, 104, 130, 140, 142, 182, 196, 245, 260, 280, 284, 355, 364, 392, 455, 490, 497, 520, 568, 637, 710, 728, 910, 923, 980, 994, 1274, 1420, 1820, 1846, 1960, 1988, 2485, 2548, 2840, 3185, 3479, 3640, 3692, 3976, 4615, 4970, 5096, 6370, 6461, 6958, 7384, 9230, 9940, 12740, 12922, 13916, 17395, 18460, 19880, 25480, 25844, 27832, 32305, 34790, 36920, 45227, 51688, 64610, 69580, 90454, 129220, 139160, 180908, 226135, 258440, 361816, 452270, 904540, 1809080]

約数ペア:

[(1, 1809080), (2, 904540), (4, 452270), (5, 361816), (7, 258440), (8, 226135), (10, 180908), (13, 139160), (14, 129220), (20, 90454), (26, 69580), (28, 64610), (35, 51688), (40, 45227), (49, 36920), (52, 34790), (56, 32305), (65, 27832), (70, 25844), (71, 25480), (91, 19880), (98, 18460), (104, 17395), (130, 13916), (140, 12922), (142, 12740), (182, 9940), (196, 9230), (245, 7384), (260, 6958), (280, 6461), (284, 6370), (355, 5096), (364, 4970), (392, 4615), (455, 3976), (490, 3692), (497, 3640), (520, 3479), (568, 3185), (637, 2840), (710, 2548), (728, 2485), (910, 1988), (923, 1960), (980, 1846), (994, 1820), (1274, 1420)]