208431860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1713

約数の個数: 96

約数和(自身を含む): 546642432

約数和(自身を除く): 338210572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 260, 284, 355, 364, 455, 497, 710, 910, 923, 994, 1420, 1613, 1820, 1846, 1988, 2485, 3226, 3692, 4615, 4970, 6452, 6461, 8065, 9230, 9940, 11291, 12922, 16130, 18460, 20969, 22582, 25844, 32260, 32305, 41938, 45164, 56455, 64610, 83876, 104845, 112910, 114523, 129220, 146783, 209690, 225820, 229046, 293566, 419380, 458092, 572615, 587132, 733915, 801661, 1145230, 1467830, 1488799, 1603322, 2290460, 2935660, 2977598, 3206644, 4008305, 5955196, 7443995, 8016610, 10421593, 14887990, 16033220, 20843186, 29775980, 41686372, 52107965, 104215930, 208431860]

約数ペア:

[(1, 208431860), (2, 104215930), (4, 52107965), (5, 41686372), (7, 29775980), (10, 20843186), (13, 16033220), (14, 14887990), (20, 10421593), (26, 8016610), (28, 7443995), (35, 5955196), (52, 4008305), (65, 3206644), (70, 2977598), (71, 2935660), (91, 2290460), (130, 1603322), (140, 1488799), (142, 1467830), (182, 1145230), (260, 801661), (284, 733915), (355, 587132), (364, 572615), (455, 458092), (497, 419380), (710, 293566), (910, 229046), (923, 225820), (994, 209690), (1420, 146783), (1613, 129220), (1820, 114523), (1846, 112910), (1988, 104845), (2485, 83876), (3226, 64610), (3692, 56455), (4615, 45164), (4970, 41938), (6452, 32305), (6461, 32260), (8065, 25844), (9230, 22582), (9940, 20969), (11291, 18460), (12922, 16130)]