70214740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 150885504

約数和(自身を除く): 80670764

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 197, 251, 284, 355, 394, 502, 710, 788, 985, 1004, 1255, 1420, 1970, 2510, 3940, 5020, 13987, 17821, 27974, 35642, 49447, 55948, 69935, 71284, 89105, 98894, 139870, 178210, 197788, 247235, 279740, 356420, 494470, 988940, 3510737, 7021474, 14042948, 17553685, 35107370, 70214740]

約数ペア:

[(1, 70214740), (2, 35107370), (4, 17553685), (5, 14042948), (10, 7021474), (20, 3510737), (71, 988940), (142, 494470), (197, 356420), (251, 279740), (284, 247235), (355, 197788), (394, 178210), (502, 139870), (710, 98894), (788, 89105), (985, 71284), (1004, 69935), (1255, 55948), (1420, 49447), (1970, 35642), (2510, 27974), (3940, 17821), (5020, 13987)]