70638920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4398

約数の個数: 64

約数和(自身を含む): 178113600

約数和(自身を除く): 107474680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4339, 8140, 8678, 16280, 17356, 21695, 34712, 43390, 47729, 86780, 95458, 160543, 173560, 190916, 238645, 321086, 381832, 477290, 642172, 802715, 954580, 1284344, 1605430, 1765973, 1909160, 3210860, 3531946, 6421720, 7063892, 8829865, 14127784, 17659730, 35319460, 70638920]

約数ペア:

[(1, 70638920), (2, 35319460), (4, 17659730), (5, 14127784), (8, 8829865), (10, 7063892), (11, 6421720), (20, 3531946), (22, 3210860), (37, 1909160), (40, 1765973), (44, 1605430), (55, 1284344), (74, 954580), (88, 802715), (110, 642172), (148, 477290), (185, 381832), (220, 321086), (296, 238645), (370, 190916), (407, 173560), (440, 160543), (740, 95458), (814, 86780), (1480, 47729), (1628, 43390), (2035, 34712), (3256, 21695), (4070, 17356), (4339, 16280), (8140, 8678)]