68718460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 148966272

約数和(自身を除く): 80247812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 181, 205, 362, 410, 463, 724, 820, 905, 926, 1810, 1852, 2315, 3620, 4630, 7421, 9260, 14842, 18983, 29684, 37105, 37966, 74210, 75932, 83803, 94915, 148420, 167606, 189830, 335212, 379660, 419015, 838030, 1676060, 3435923, 6871846, 13743692, 17179615, 34359230, 68718460]

約数ペア:

[(1, 68718460), (2, 34359230), (4, 17179615), (5, 13743692), (10, 6871846), (20, 3435923), (41, 1676060), (82, 838030), (164, 419015), (181, 379660), (205, 335212), (362, 189830), (410, 167606), (463, 148420), (724, 94915), (820, 83803), (905, 75932), (926, 74210), (1810, 37966), (1852, 37105), (2315, 29684), (3620, 18983), (4630, 14842), (7421, 9260)]