140304880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28751}}^1$

素因数の和:28825

約数の個数: 40

約数和(自身を含む): 331568064

約数和(自身を除く): 191263184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 28751, 57502, 115004, 143755, 230008, 287510, 460016, 575020, 1150040, 1753811, 2300080, 3507622, 7015244, 8769055, 14030488, 17538110, 28060976, 35076220, 70152440, 140304880]

約数ペア:

[(1, 140304880), (2, 70152440), (4, 35076220), (5, 28060976), (8, 17538110), (10, 14030488), (16, 8769055), (20, 7015244), (40, 3507622), (61, 2300080), (80, 1753811), (122, 1150040), (244, 575020), (305, 460016), (488, 287510), (610, 230008), (976, 143755), (1220, 115004), (2440, 57502), (4880, 28751)]