289678480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39791}}^1$

素因数の和:39824

約数の個数: 80

約数和(自身を含む): 828946944

約数和(自身を除く): 539268464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 39791, 79582, 159164, 198955, 278537, 318328, 397910, 517283, 557074, 636656, 795820, 1034566, 1114148, 1392685, 1591640, 2069132, 2228296, 2586415, 2785370, 3183280, 3620981, 4138264, 4456592, 5172830, 5570740, 7241962, 8276528, 10345660, 11141480, 14483924, 18104905, 20691320, 22282960, 28967848, 36209810, 41382640, 57935696, 72419620, 144839240, 289678480]

約数ペア:

[(1, 289678480), (2, 144839240), (4, 72419620), (5, 57935696), (7, 41382640), (8, 36209810), (10, 28967848), (13, 22282960), (14, 20691320), (16, 18104905), (20, 14483924), (26, 11141480), (28, 10345660), (35, 8276528), (40, 7241962), (52, 5570740), (56, 5172830), (65, 4456592), (70, 4138264), (80, 3620981), (91, 3183280), (104, 2785370), (112, 2586415), (130, 2228296), (140, 2069132), (182, 1591640), (208, 1392685), (260, 1114148), (280, 1034566), (364, 795820), (455, 636656), (520, 557074), (560, 517283), (728, 397910), (910, 318328), (1040, 278537), (1456, 198955), (1820, 159164), (3640, 79582), (7280, 39791)]