490695800

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 192

約数和(自身を含む): 1392768000

約数和(自身を除く): 902072200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 140, 161, 175, 184, 196, 200, 230, 245, 280, 311, 322, 343, 350, 392, 460, 490, 575, 622, 644, 686, 700, 805, 920, 980, 1127, 1150, 1225, 1244, 1288, 1372, 1400, 1555, 1610, 1715, 1960, 2177, 2254, 2300, 2450, 2488, 2744, 3110, 3220, 3430, 4025, 4354, 4508, 4600, 4900, 5635, 6220, 6440, 6860, 7153, 7775, 7889, 8050, 8575, 8708, 9016, 9800, 10885, 11270, 12440, 13720, 14306, 15239, 15550, 15778, 16100, 17150, 17416, 21770, 22540, 28175, 28612, 30478, 31100, 31556, 32200, 34300, 35765, 39445, 43540, 45080, 50071, 54425, 56350, 57224, 60956, 62200, 63112, 68600, 71530, 76195, 78890, 87080, 100142, 106673, 108850, 112700, 121912, 143060, 152390, 157780, 178825, 197225, 200284, 213346, 217700, 225400, 250355, 286120, 304780, 315560, 350497, 357650, 380975, 394450, 400568, 426692, 435400, 500710, 533365, 609560, 700994, 715300, 761950, 788900, 853384, 1001420, 1066730, 1251775, 1401988, 1430600, 1523900, 1577800, 1752485, 2002840, 2133460, 2453479, 2503550, 2666825, 2803976, 3047800, 3504970, 4266920, 4906958, 5007100, 5333650, 7009940, 8762425, 9813916, 10014200, 10667300, 12267395, 14019880, 17524850, 19627832, 21334600, 24534790, 35049700, 49069580, 61336975, 70099400, 98139160, 122673950, 245347900, 490695800]

約数ペア:

[(1, 490695800), (2, 245347900), (4, 122673950), (5, 98139160), (7, 70099400), (8, 61336975), (10, 49069580), (14, 35049700), (20, 24534790), (23, 21334600), (25, 19627832), (28, 17524850), (35, 14019880), (40, 12267395), (46, 10667300), (49, 10014200), (50, 9813916), (56, 8762425), (70, 7009940), (92, 5333650), (98, 5007100), (100, 4906958), (115, 4266920), (140, 3504970), (161, 3047800), (175, 2803976), (184, 2666825), (196, 2503550), (200, 2453479), (230, 2133460), (245, 2002840), (280, 1752485), (311, 1577800), (322, 1523900), (343, 1430600), (350, 1401988), (392, 1251775), (460, 1066730), (490, 1001420), (575, 853384), (622, 788900), (644, 761950), (686, 715300), (700, 700994), (805, 609560), (920, 533365), (980, 500710), (1127, 435400), (1150, 426692), (1225, 400568), (1244, 394450), (1288, 380975), (1372, 357650), (1400, 350497), (1555, 315560), (1610, 304780), (1715, 286120), (1960, 250355), (2177, 225400), (2254, 217700), (2300, 213346), (2450, 200284), (2488, 197225), (2744, 178825), (3110, 157780), (3220, 152390), (3430, 143060), (4025, 121912), (4354, 112700), (4508, 108850), (4600, 106673), (4900, 100142), (5635, 87080), (6220, 78890), (6440, 76195), (6860, 71530), (7153, 68600), (7775, 63112), (7889, 62200), (8050, 60956), (8575, 57224), (8708, 56350), (9016, 54425), (9800, 50071), (10885, 45080), (11270, 43540), (12440, 39445), (13720, 35765), (14306, 34300), (15239, 32200), (15550, 31556), (15778, 31100), (16100, 30478), (17150, 28612), (17416, 28175), (21770, 22540)]