2139420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 6054048

約数和(自身を除く): 3914628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 197, 362, 394, 543, 591, 724, 788, 905, 985, 1086, 1182, 1810, 1970, 2172, 2364, 2715, 2955, 3620, 3940, 5430, 5910, 10860, 11820, 35657, 71314, 106971, 142628, 178285, 213942, 356570, 427884, 534855, 713140, 1069710, 2139420]

約数ペア:

[(1, 2139420), (2, 1069710), (3, 713140), (4, 534855), (5, 427884), (6, 356570), (10, 213942), (12, 178285), (15, 142628), (20, 106971), (30, 71314), (60, 35657), (181, 11820), (197, 10860), (362, 5910), (394, 5430), (543, 3940), (591, 3620), (724, 2955), (788, 2715), (905, 2364), (985, 2172), (1086, 1970), (1182, 1810)]