1799440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 4249728

約数和(自身を除く): 2450288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 271, 332, 415, 542, 664, 830, 1084, 1328, 1355, 1660, 2168, 2710, 3320, 4336, 5420, 6640, 10840, 21680, 22493, 44986, 89972, 112465, 179944, 224930, 359888, 449860, 899720, 1799440]

約数ペア:

[(1, 1799440), (2, 899720), (4, 449860), (5, 359888), (8, 224930), (10, 179944), (16, 112465), (20, 89972), (40, 44986), (80, 22493), (83, 21680), (166, 10840), (271, 6640), (332, 5420), (415, 4336), (542, 3320), (664, 2710), (830, 2168), (1084, 1660), (1328, 1355)]