221409240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 128

約数和(自身を含む): 725760000

約数和(自身を除く): 504350760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 710, 780, 852, 923, 1065, 1420, 1560, 1704, 1846, 1999, 2130, 2769, 2840, 3692, 3998, 4260, 4615, 5538, 5997, 7384, 7996, 8520, 9230, 9995, 11076, 11994, 13845, 15992, 18460, 19990, 22152, 23988, 25987, 27690, 29985, 36920, 39980, 47976, 51974, 55380, 59970, 77961, 79960, 103948, 110760, 119940, 129935, 141929, 155922, 207896, 239880, 259870, 283858, 311844, 389805, 425787, 519740, 567716, 623688, 709645, 779610, 851574, 1039480, 1135432, 1419290, 1559220, 1703148, 1845077, 2128935, 2838580, 3118440, 3406296, 3690154, 4257870, 5535231, 5677160, 7380308, 8515740, 9225385, 11070462, 14760616, 17031480, 18450770, 22140924, 27676155, 36901540, 44281848, 55352310, 73803080, 110704620, 221409240]

約数ペア:

[(1, 221409240), (2, 110704620), (3, 73803080), (4, 55352310), (5, 44281848), (6, 36901540), (8, 27676155), (10, 22140924), (12, 18450770), (13, 17031480), (15, 14760616), (20, 11070462), (24, 9225385), (26, 8515740), (30, 7380308), (39, 5677160), (40, 5535231), (52, 4257870), (60, 3690154), (65, 3406296), (71, 3118440), (78, 2838580), (104, 2128935), (120, 1845077), (130, 1703148), (142, 1559220), (156, 1419290), (195, 1135432), (213, 1039480), (260, 851574), (284, 779610), (312, 709645), (355, 623688), (390, 567716), (426, 519740), (520, 425787), (568, 389805), (710, 311844), (780, 283858), (852, 259870), (923, 239880), (1065, 207896), (1420, 155922), (1560, 141929), (1704, 129935), (1846, 119940), (1999, 110760), (2130, 103948), (2769, 79960), (2840, 77961), (3692, 59970), (3998, 55380), (4260, 51974), (4615, 47976), (5538, 39980), (5997, 36920), (7384, 29985), (7996, 27690), (8520, 25987), (9230, 23988), (9995, 22152), (11076, 19990), (11994, 18460), (13845, 15992)]