217989860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 96

約数和(自身を含む): 529708032

約数和(自身を除く): 311718172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 67, 92, 110, 115, 134, 220, 230, 253, 268, 335, 460, 506, 643, 670, 737, 1012, 1265, 1286, 1340, 1474, 1541, 2530, 2572, 2948, 3082, 3215, 3685, 5060, 6164, 6430, 7073, 7370, 7705, 12860, 14146, 14740, 14789, 15410, 16951, 28292, 29578, 30820, 33902, 35365, 43081, 59156, 67804, 70730, 73945, 84755, 86162, 141460, 147890, 162679, 169510, 172324, 215405, 295780, 325358, 339020, 430810, 473891, 650716, 813395, 861620, 947782, 990863, 1626790, 1895564, 1981726, 2369455, 3253580, 3963452, 4738910, 4954315, 9477820, 9908630, 10899493, 19817260, 21798986, 43597972, 54497465, 108994930, 217989860]

約数ペア:

[(1, 217989860), (2, 108994930), (4, 54497465), (5, 43597972), (10, 21798986), (11, 19817260), (20, 10899493), (22, 9908630), (23, 9477820), (44, 4954315), (46, 4738910), (55, 3963452), (67, 3253580), (92, 2369455), (110, 1981726), (115, 1895564), (134, 1626790), (220, 990863), (230, 947782), (253, 861620), (268, 813395), (335, 650716), (460, 473891), (506, 430810), (643, 339020), (670, 325358), (737, 295780), (1012, 215405), (1265, 172324), (1286, 169510), (1340, 162679), (1474, 147890), (1541, 141460), (2530, 86162), (2572, 84755), (2948, 73945), (3082, 70730), (3215, 67804), (3685, 59156), (5060, 43081), (6164, 35365), (6430, 33902), (7073, 30820), (7370, 29578), (7705, 28292), (12860, 16951), (14146, 15410), (14740, 14789)]