7689220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4993}}^1$

素因数の和:5020

約数の個数: 48

約数和(自身を含む): 20135808

約数和(自身を除く): 12446588

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4993, 9986, 19972, 24965, 34951, 49930, 54923, 69902, 99860, 109846, 139804, 174755, 219692, 274615, 349510, 384461, 549230, 699020, 768922, 1098460, 1537844, 1922305, 3844610, 7689220]

約数ペア:

[(1, 7689220), (2, 3844610), (4, 1922305), (5, 1537844), (7, 1098460), (10, 768922), (11, 699020), (14, 549230), (20, 384461), (22, 349510), (28, 274615), (35, 219692), (44, 174755), (55, 139804), (70, 109846), (77, 99860), (110, 69902), (140, 54923), (154, 49930), (220, 34951), (308, 24965), (385, 19972), (770, 9986), (1540, 4993)]