194714680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 252353480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 223, 263, 332, 415, 446, 526, 664, 830, 892, 1052, 1115, 1315, 1660, 1784, 2104, 2230, 2630, 3320, 4460, 5260, 8920, 10520, 18509, 21829, 37018, 43658, 58649, 74036, 87316, 92545, 109145, 117298, 148072, 174632, 185090, 218290, 234596, 293245, 370180, 436580, 469192, 586490, 740360, 873160, 1172980, 2345960, 4867867, 9735734, 19471468, 24339335, 38942936, 48678670, 97357340, 194714680]

約数ペア:

[(1, 194714680), (2, 97357340), (4, 48678670), (5, 38942936), (8, 24339335), (10, 19471468), (20, 9735734), (40, 4867867), (83, 2345960), (166, 1172980), (223, 873160), (263, 740360), (332, 586490), (415, 469192), (446, 436580), (526, 370180), (664, 293245), (830, 234596), (892, 218290), (1052, 185090), (1115, 174632), (1315, 148072), (1660, 117298), (1784, 109145), (2104, 92545), (2230, 87316), (2630, 74036), (3320, 58649), (4460, 43658), (5260, 37018), (8920, 21829), (10520, 18509)]