236546440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 598752000

約数和(自身を除く): 362205560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 71, 86, 104, 130, 142, 149, 172, 215, 260, 284, 298, 344, 355, 430, 520, 559, 568, 596, 710, 745, 860, 923, 1118, 1192, 1420, 1490, 1720, 1846, 1937, 2236, 2795, 2840, 2980, 3053, 3692, 3874, 4472, 4615, 5590, 5960, 6106, 6407, 7384, 7748, 9230, 9685, 10579, 11180, 12212, 12814, 15265, 15496, 18460, 19370, 21158, 22360, 24424, 25628, 30530, 32035, 36920, 38740, 39689, 42316, 51256, 52895, 61060, 64070, 77480, 79378, 83291, 84632, 105790, 122120, 128140, 137527, 158756, 166582, 198445, 211580, 256280, 275054, 317512, 333164, 396890, 416455, 423160, 454897, 550108, 666328, 687635, 793780, 832910, 909794, 1100216, 1375270, 1587560, 1665820, 1819588, 2274485, 2750540, 3331640, 3639176, 4548970, 5501080, 5913661, 9097940, 11827322, 18195880, 23654644, 29568305, 47309288, 59136610, 118273220, 236546440]

約数ペア:

[(1, 236546440), (2, 118273220), (4, 59136610), (5, 47309288), (8, 29568305), (10, 23654644), (13, 18195880), (20, 11827322), (26, 9097940), (40, 5913661), (43, 5501080), (52, 4548970), (65, 3639176), (71, 3331640), (86, 2750540), (104, 2274485), (130, 1819588), (142, 1665820), (149, 1587560), (172, 1375270), (215, 1100216), (260, 909794), (284, 832910), (298, 793780), (344, 687635), (355, 666328), (430, 550108), (520, 454897), (559, 423160), (568, 416455), (596, 396890), (710, 333164), (745, 317512), (860, 275054), (923, 256280), (1118, 211580), (1192, 198445), (1420, 166582), (1490, 158756), (1720, 137527), (1846, 128140), (1937, 122120), (2236, 105790), (2795, 84632), (2840, 83291), (2980, 79378), (3053, 77480), (3692, 64070), (3874, 61060), (4472, 52895), (4615, 51256), (5590, 42316), (5960, 39689), (6106, 38740), (6407, 36920), (7384, 32035), (7748, 30530), (9230, 25628), (9685, 24424), (10579, 22360), (11180, 21158), (12212, 19370), (12814, 18460), (15265, 15496)]