209041040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 562464000

約数和(自身を除く): 353422960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 71, 76, 80, 95, 104, 130, 142, 149, 152, 190, 208, 247, 260, 284, 298, 304, 355, 380, 494, 520, 568, 596, 710, 745, 760, 923, 988, 1040, 1136, 1192, 1235, 1349, 1420, 1490, 1520, 1846, 1937, 1976, 2384, 2470, 2698, 2831, 2840, 2980, 3692, 3874, 3952, 4615, 4940, 5396, 5662, 5680, 5960, 6745, 7384, 7748, 9230, 9685, 9880, 10579, 10792, 11324, 11920, 13490, 14155, 14768, 15496, 17537, 18460, 19370, 19760, 21158, 21584, 22648, 26980, 28310, 30992, 35074, 36803, 36920, 38740, 42316, 45296, 52895, 53960, 56620, 70148, 73606, 73840, 77480, 84632, 87685, 105790, 107920, 113240, 137527, 140296, 147212, 154960, 169264, 175370, 184015, 201001, 211580, 226480, 275054, 280592, 294424, 350740, 368030, 402002, 423160, 550108, 588848, 687635, 701480, 736060, 804004, 846320, 1005005, 1100216, 1375270, 1402960, 1472120, 1608008, 2010010, 2200432, 2613013, 2750540, 2944240, 3216016, 4020020, 5226026, 5501080, 8040040, 10452052, 11002160, 13065065, 16080080, 20904104, 26130130, 41808208, 52260260, 104520520, 209041040]

約数ペア:

[(1, 209041040), (2, 104520520), (4, 52260260), (5, 41808208), (8, 26130130), (10, 20904104), (13, 16080080), (16, 13065065), (19, 11002160), (20, 10452052), (26, 8040040), (38, 5501080), (40, 5226026), (52, 4020020), (65, 3216016), (71, 2944240), (76, 2750540), (80, 2613013), (95, 2200432), (104, 2010010), (130, 1608008), (142, 1472120), (149, 1402960), (152, 1375270), (190, 1100216), (208, 1005005), (247, 846320), (260, 804004), (284, 736060), (298, 701480), (304, 687635), (355, 588848), (380, 550108), (494, 423160), (520, 402002), (568, 368030), (596, 350740), (710, 294424), (745, 280592), (760, 275054), (923, 226480), (988, 211580), (1040, 201001), (1136, 184015), (1192, 175370), (1235, 169264), (1349, 154960), (1420, 147212), (1490, 140296), (1520, 137527), (1846, 113240), (1937, 107920), (1976, 105790), (2384, 87685), (2470, 84632), (2698, 77480), (2831, 73840), (2840, 73606), (2980, 70148), (3692, 56620), (3874, 53960), (3952, 52895), (4615, 45296), (4940, 42316), (5396, 38740), (5662, 36920), (5680, 36803), (5960, 35074), (6745, 30992), (7384, 28310), (7748, 26980), (9230, 22648), (9685, 21584), (9880, 21158), (10579, 19760), (10792, 19370), (11324, 18460), (11920, 17537), (13490, 15496), (14155, 14768)]