1878132380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1\times {\mathrm{1381}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 4024538784

約数和(自身を除く): 2146406404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1283, 1381, 2566, 2762, 5132, 5524, 6415, 6905, 12830, 13810, 25660, 27620, 67999, 73193, 135998, 146386, 271996, 292772, 339995, 365965, 679990, 731930, 1359980, 1463860, 1771823, 3543646, 7087292, 8859115, 17718230, 35436460, 93906619, 187813238, 375626476, 469533095, 939066190, 1878132380]

約数ペア:

[(1, 1878132380), (2, 939066190), (4, 469533095), (5, 375626476), (10, 187813238), (20, 93906619), (53, 35436460), (106, 17718230), (212, 8859115), (265, 7087292), (530, 3543646), (1060, 1771823), (1283, 1463860), (1381, 1359980), (2566, 731930), (2762, 679990), (5132, 365965), (5524, 339995), (6415, 292772), (6905, 271996), (12830, 146386), (13810, 135998), (25660, 73193), (27620, 67999)]