139582380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 458843616

約数和(自身を除く): 319261236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 197, 210, 241, 245, 294, 394, 420, 482, 490, 588, 591, 723, 735, 788, 964, 980, 985, 1182, 1205, 1379, 1446, 1470, 1687, 1970, 2364, 2410, 2758, 2892, 2940, 2955, 3374, 3615, 3940, 4137, 4820, 5061, 5516, 5910, 6748, 6895, 7230, 8274, 8435, 9653, 10122, 11809, 11820, 13790, 14460, 16548, 16870, 19306, 20244, 20685, 23618, 25305, 27580, 28959, 33740, 35427, 38612, 41370, 47236, 47477, 48265, 50610, 57918, 59045, 70854, 82740, 94954, 96530, 101220, 115836, 118090, 141708, 142431, 144795, 177135, 189908, 193060, 236180, 237385, 284862, 289590, 332339, 354270, 474770, 569724, 579180, 664678, 708540, 712155, 949540, 997017, 1329356, 1424310, 1661695, 1994034, 2326373, 2848620, 3323390, 3988068, 4652746, 4985085, 6646780, 6979119, 9305492, 9970170, 11631865, 13958238, 19940340, 23263730, 27916476, 34895595, 46527460, 69791190, 139582380]

約数ペア:

[(1, 139582380), (2, 69791190), (3, 46527460), (4, 34895595), (5, 27916476), (6, 23263730), (7, 19940340), (10, 13958238), (12, 11631865), (14, 9970170), (15, 9305492), (20, 6979119), (21, 6646780), (28, 4985085), (30, 4652746), (35, 3988068), (42, 3323390), (49, 2848620), (60, 2326373), (70, 1994034), (84, 1661695), (98, 1424310), (105, 1329356), (140, 997017), (147, 949540), (196, 712155), (197, 708540), (210, 664678), (241, 579180), (245, 569724), (294, 474770), (394, 354270), (420, 332339), (482, 289590), (490, 284862), (588, 237385), (591, 236180), (723, 193060), (735, 189908), (788, 177135), (964, 144795), (980, 142431), (985, 141708), (1182, 118090), (1205, 115836), (1379, 101220), (1446, 96530), (1470, 94954), (1687, 82740), (1970, 70854), (2364, 59045), (2410, 57918), (2758, 50610), (2892, 48265), (2940, 47477), (2955, 47236), (3374, 41370), (3615, 38612), (3940, 35427), (4137, 33740), (4820, 28959), (5061, 27580), (5516, 25305), (5910, 23618), (6748, 20685), (6895, 20244), (7230, 19306), (8274, 16870), (8435, 16548), (9653, 14460), (10122, 13790), (11809, 11820)]