72890185

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 93768192

約数和(自身を除く): 20878007

約数列:

[1, 5, 37, 47, 83, 101, 185, 235, 415, 505, 1739, 3071, 3737, 3901, 4747, 8383, 8695, 15355, 18685, 19505, 23735, 41915, 144337, 175639, 310171, 394001, 721685, 878195, 1550855, 1970005, 14578037, 72890185]

約数ペア:

[(1, 72890185), (5, 14578037), (37, 1970005), (47, 1550855), (83, 878195), (101, 721685), (185, 394001), (235, 310171), (415, 175639), (505, 144337), (1739, 41915), (3071, 23735), (3737, 19505), (3901, 18685), (4747, 15355), (8383, 8695)]