217008680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1159

約数の個数: 128

約数和(自身を含む): 601620480

約数和(自身を除く): 384611800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 1085, 1087, 1240, 1288, 1426, 1610, 1736, 2170, 2174, 2852, 3220, 3565, 4340, 4348, 4991, 5435, 5704, 6440, 7130, 7609, 8680, 8696, 9982, 10870, 14260, 15218, 19964, 21740, 24955, 25001, 28520, 30436, 33697, 38045, 39928, 43480, 49910, 50002, 60872, 67394, 76090, 99820, 100004, 125005, 134788, 152180, 168485, 175007, 199640, 200008, 235879, 250010, 269576, 304360, 336970, 350014, 471758, 500020, 673940, 700028, 775031, 875035, 943516, 1000040, 1179395, 1347880, 1400056, 1550062, 1750070, 1887032, 2358790, 3100124, 3500140, 3875155, 4717580, 5425217, 6200248, 7000280, 7750310, 9435160, 10850434, 15500620, 21700868, 27126085, 31001240, 43401736, 54252170, 108504340, 217008680]

約数ペア:

[(1, 217008680), (2, 108504340), (4, 54252170), (5, 43401736), (7, 31001240), (8, 27126085), (10, 21700868), (14, 15500620), (20, 10850434), (23, 9435160), (28, 7750310), (31, 7000280), (35, 6200248), (40, 5425217), (46, 4717580), (56, 3875155), (62, 3500140), (70, 3100124), (92, 2358790), (115, 1887032), (124, 1750070), (140, 1550062), (155, 1400056), (161, 1347880), (184, 1179395), (217, 1000040), (230, 943516), (248, 875035), (280, 775031), (310, 700028), (322, 673940), (434, 500020), (460, 471758), (620, 350014), (644, 336970), (713, 304360), (805, 269576), (868, 250010), (920, 235879), (1085, 200008), (1087, 199640), (1240, 175007), (1288, 168485), (1426, 152180), (1610, 134788), (1736, 125005), (2170, 100004), (2174, 99820), (2852, 76090), (3220, 67394), (3565, 60872), (4340, 50002), (4348, 49910), (4991, 43480), (5435, 39928), (5704, 38045), (6440, 33697), (7130, 30436), (7609, 28520), (8680, 25001), (8696, 24955), (9982, 21740), (10870, 19964), (14260, 15218)]