77704280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 186300000

約数和(自身を除く): 108595720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 229, 340, 458, 499, 680, 916, 998, 1145, 1832, 1996, 2290, 2495, 3893, 3992, 4580, 4990, 7786, 8483, 9160, 9980, 15572, 16966, 19465, 19960, 31144, 33932, 38930, 42415, 67864, 77860, 84830, 114271, 155720, 169660, 228542, 339320, 457084, 571355, 914168, 1142710, 1942607, 2285420, 3885214, 4570840, 7770428, 9713035, 15540856, 19426070, 38852140, 77704280]

約数ペア:

[(1, 77704280), (2, 38852140), (4, 19426070), (5, 15540856), (8, 9713035), (10, 7770428), (17, 4570840), (20, 3885214), (34, 2285420), (40, 1942607), (68, 1142710), (85, 914168), (136, 571355), (170, 457084), (229, 339320), (340, 228542), (458, 169660), (499, 155720), (680, 114271), (916, 84830), (998, 77860), (1145, 67864), (1832, 42415), (1996, 38930), (2290, 33932), (2495, 31144), (3893, 19960), (3992, 19465), (4580, 16966), (4990, 15572), (7786, 9980), (8483, 9160)]