197743420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 522160128

約数和(自身を除く): 324416708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 98, 115, 124, 140, 155, 161, 196, 217, 230, 245, 283, 310, 322, 434, 460, 490, 566, 620, 644, 713, 805, 868, 980, 1085, 1127, 1132, 1415, 1426, 1519, 1610, 1981, 2170, 2254, 2830, 2852, 3038, 3220, 3565, 3962, 4340, 4508, 4991, 5635, 5660, 6076, 6509, 7130, 7595, 7924, 8773, 9905, 9982, 11270, 13018, 13867, 14260, 15190, 17546, 19810, 19964, 22540, 24955, 26036, 27734, 30380, 32545, 34937, 35092, 39620, 43865, 45563, 49910, 55468, 61411, 65090, 69335, 69874, 87730, 91126, 99820, 122822, 130180, 138670, 139748, 174685, 175460, 182252, 201779, 227815, 245644, 277340, 307055, 318941, 349370, 403558, 429877, 455630, 614110, 637882, 698740, 807116, 859754, 911260, 1008895, 1228220, 1275764, 1412453, 1594705, 1719508, 2017790, 2149385, 2824906, 3189410, 4035580, 4298770, 5649812, 6378820, 7062265, 8597540, 9887171, 14124530, 19774342, 28249060, 39548684, 49435855, 98871710, 197743420]

約数ペア:

[(1, 197743420), (2, 98871710), (4, 49435855), (5, 39548684), (7, 28249060), (10, 19774342), (14, 14124530), (20, 9887171), (23, 8597540), (28, 7062265), (31, 6378820), (35, 5649812), (46, 4298770), (49, 4035580), (62, 3189410), (70, 2824906), (92, 2149385), (98, 2017790), (115, 1719508), (124, 1594705), (140, 1412453), (155, 1275764), (161, 1228220), (196, 1008895), (217, 911260), (230, 859754), (245, 807116), (283, 698740), (310, 637882), (322, 614110), (434, 455630), (460, 429877), (490, 403558), (566, 349370), (620, 318941), (644, 307055), (713, 277340), (805, 245644), (868, 227815), (980, 201779), (1085, 182252), (1127, 175460), (1132, 174685), (1415, 139748), (1426, 138670), (1519, 130180), (1610, 122822), (1981, 99820), (2170, 91126), (2254, 87730), (2830, 69874), (2852, 69335), (3038, 65090), (3220, 61411), (3565, 55468), (3962, 49910), (4340, 45563), (4508, 43865), (4991, 39620), (5635, 35092), (5660, 34937), (6076, 32545), (6509, 30380), (7130, 27734), (7595, 26036), (7924, 24955), (8773, 22540), (9905, 19964), (9982, 19810), (11270, 17546), (13018, 15190), (13867, 14260)]