169748740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 459188352

約数和(自身を除く): 289439612

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 85, 92, 98, 115, 119, 140, 161, 170, 196, 230, 238, 245, 322, 340, 391, 443, 460, 476, 490, 595, 644, 782, 805, 833, 886, 980, 1127, 1190, 1564, 1610, 1666, 1772, 1955, 2215, 2254, 2380, 2737, 3101, 3220, 3332, 3910, 4165, 4430, 4508, 5474, 5635, 6202, 7531, 7820, 8330, 8860, 10189, 10948, 11270, 12404, 13685, 15062, 15505, 16660, 19159, 20378, 21707, 22540, 27370, 30124, 31010, 37655, 38318, 40756, 43414, 50945, 52717, 54740, 62020, 71323, 75310, 76636, 86828, 95795, 101890, 105434, 108535, 142646, 150620, 173213, 191590, 203780, 210868, 217070, 263585, 285292, 346426, 356615, 369019, 383180, 434140, 499261, 527170, 692852, 713230, 738038, 866065, 998522, 1054340, 1212491, 1426460, 1476076, 1732130, 1845095, 1997044, 2424982, 2496305, 3464260, 3690190, 4849964, 4992610, 6062455, 7380380, 8487437, 9985220, 12124910, 16974874, 24249820, 33949748, 42437185, 84874370, 169748740]

約数ペア:

[(1, 169748740), (2, 84874370), (4, 42437185), (5, 33949748), (7, 24249820), (10, 16974874), (14, 12124910), (17, 9985220), (20, 8487437), (23, 7380380), (28, 6062455), (34, 4992610), (35, 4849964), (46, 3690190), (49, 3464260), (68, 2496305), (70, 2424982), (85, 1997044), (92, 1845095), (98, 1732130), (115, 1476076), (119, 1426460), (140, 1212491), (161, 1054340), (170, 998522), (196, 866065), (230, 738038), (238, 713230), (245, 692852), (322, 527170), (340, 499261), (391, 434140), (443, 383180), (460, 369019), (476, 356615), (490, 346426), (595, 285292), (644, 263585), (782, 217070), (805, 210868), (833, 203780), (886, 191590), (980, 173213), (1127, 150620), (1190, 142646), (1564, 108535), (1610, 105434), (1666, 101890), (1772, 95795), (1955, 86828), (2215, 76636), (2254, 75310), (2380, 71323), (2737, 62020), (3101, 54740), (3220, 52717), (3332, 50945), (3910, 43414), (4165, 40756), (4430, 38318), (4508, 37655), (5474, 31010), (5635, 30124), (6202, 27370), (7531, 22540), (7820, 21707), (8330, 20378), (8860, 19159), (10189, 16660), (10948, 15505), (11270, 15062), (12404, 13685)]