28945210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2099}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 59875200

約数和(自身を除く): 30929990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2099, 2758, 4198, 6895, 10495, 13790, 14693, 20990, 29386, 73465, 146930, 413503, 827006, 2067515, 2894521, 4135030, 5789042, 14472605, 28945210]

約数ペア:

[(1, 28945210), (2, 14472605), (5, 5789042), (7, 4135030), (10, 2894521), (14, 2067515), (35, 827006), (70, 413503), (197, 146930), (394, 73465), (985, 29386), (1379, 20990), (1970, 14693), (2099, 13790), (2758, 10495), (4198, 6895)]