76509020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3989}}^1$

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 185008320

約数和(自身を除く): 108499300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 3989, 4795, 7978, 9590, 15956, 19180, 19945, 27923, 39890, 55846, 79780, 111692, 139615, 279230, 546493, 558460, 1092986, 2185972, 2732465, 3825451, 5464930, 7650902, 10929860, 15301804, 19127255, 38254510, 76509020]

約数ペア:

[(1, 76509020), (2, 38254510), (4, 19127255), (5, 15301804), (7, 10929860), (10, 7650902), (14, 5464930), (20, 3825451), (28, 2732465), (35, 2185972), (70, 1092986), (137, 558460), (140, 546493), (274, 279230), (548, 139615), (685, 111692), (959, 79780), (1370, 55846), (1918, 39890), (2740, 27923), (3836, 19945), (3989, 19180), (4795, 15956), (7978, 9590)]