390440908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 840849408

約数和(自身を除く): 450408500

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 97, 124, 143, 194, 227, 286, 341, 388, 403, 454, 572, 682, 806, 908, 1067, 1261, 1364, 1612, 2134, 2497, 2522, 2951, 3007, 4268, 4433, 4994, 5044, 5902, 6014, 7037, 8866, 9988, 11804, 12028, 13871, 14074, 17732, 22019, 27742, 28148, 32461, 33077, 39091, 44038, 55484, 64922, 66154, 77407, 78182, 88076, 91481, 129844, 132308, 154814, 156364, 182962, 242209, 286247, 309628, 365924, 430001, 484418, 572494, 682589, 860002, 968836, 1006291, 1144988, 1365178, 1720004, 2012582, 2730356, 3148717, 4025164, 6297434, 7508479, 8873657, 12594868, 15016958, 17747314, 30033916, 35494628, 97610227, 195220454, 390440908]

約数ペア:

[(1, 390440908), (2, 195220454), (4, 97610227), (11, 35494628), (13, 30033916), (22, 17747314), (26, 15016958), (31, 12594868), (44, 8873657), (52, 7508479), (62, 6297434), (97, 4025164), (124, 3148717), (143, 2730356), (194, 2012582), (227, 1720004), (286, 1365178), (341, 1144988), (388, 1006291), (403, 968836), (454, 860002), (572, 682589), (682, 572494), (806, 484418), (908, 430001), (1067, 365924), (1261, 309628), (1364, 286247), (1612, 242209), (2134, 182962), (2497, 156364), (2522, 154814), (2951, 132308), (3007, 129844), (4268, 91481), (4433, 88076), (4994, 78182), (5044, 77407), (5902, 66154), (6014, 64922), (7037, 55484), (8866, 44038), (9988, 39091), (11804, 33077), (12028, 32461), (13871, 28148), (14074, 27742), (17732, 22019)]