28073380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 61669440

約数和(自身を除く): 33596060

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 590, 643, 740, 1180, 1286, 2183, 2572, 3215, 4366, 6430, 8732, 10915, 12860, 21830, 23791, 37937, 43660, 47582, 75874, 95164, 118955, 151748, 189685, 237910, 379370, 475820, 758740, 1403669, 2807338, 5614676, 7018345, 14036690, 28073380]

約数ペア:

[(1, 28073380), (2, 14036690), (4, 7018345), (5, 5614676), (10, 2807338), (20, 1403669), (37, 758740), (59, 475820), (74, 379370), (118, 237910), (148, 189685), (185, 151748), (236, 118955), (295, 95164), (370, 75874), (590, 47582), (643, 43660), (740, 37937), (1180, 23791), (1286, 21830), (2183, 12860), (2572, 10915), (3215, 8732), (4366, 6430)]