209954640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2729

約数の個数: 160

約数和(自身を含む): 759951360

約数和(自身を除く): 549996720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 420, 470, 560, 564, 658, 705, 752, 840, 940, 987, 1128, 1316, 1410, 1645, 1680, 1880, 1974, 2256, 2632, 2659, 2820, 3290, 3760, 3948, 4935, 5264, 5318, 5640, 6580, 7896, 7977, 9870, 10636, 11280, 13160, 13295, 15792, 15954, 18613, 19740, 21272, 26320, 26590, 31908, 37226, 39480, 39885, 42544, 53180, 55839, 63816, 74452, 78960, 79770, 93065, 106360, 111678, 124973, 127632, 148904, 159540, 186130, 212720, 223356, 249946, 279195, 297808, 319080, 372260, 374919, 446712, 499892, 558390, 624865, 638160, 744520, 749838, 874811, 893424, 999784, 1116780, 1249730, 1489040, 1499676, 1749622, 1874595, 1999568, 2233560, 2499460, 2624433, 2999352, 3499244, 3749190, 4374055, 4467120, 4998920, 5248866, 5998704, 6998488, 7498380, 8748110, 9997840, 10497732, 13122165, 13996976, 14996760, 17496220, 20995464, 26244330, 29993520, 34992440, 41990928, 52488660, 69984880, 104977320, 209954640]

約数ペア:

[(1, 209954640), (2, 104977320), (3, 69984880), (4, 52488660), (5, 41990928), (6, 34992440), (7, 29993520), (8, 26244330), (10, 20995464), (12, 17496220), (14, 14996760), (15, 13996976), (16, 13122165), (20, 10497732), (21, 9997840), (24, 8748110), (28, 7498380), (30, 6998488), (35, 5998704), (40, 5248866), (42, 4998920), (47, 4467120), (48, 4374055), (56, 3749190), (60, 3499244), (70, 2999352), (80, 2624433), (84, 2499460), (94, 2233560), (105, 1999568), (112, 1874595), (120, 1749622), (140, 1499676), (141, 1489040), (168, 1249730), (188, 1116780), (210, 999784), (235, 893424), (240, 874811), (280, 749838), (282, 744520), (329, 638160), (336, 624865), (376, 558390), (420, 499892), (470, 446712), (560, 374919), (564, 372260), (658, 319080), (705, 297808), (752, 279195), (840, 249946), (940, 223356), (987, 212720), (1128, 186130), (1316, 159540), (1410, 148904), (1645, 127632), (1680, 124973), (1880, 111678), (1974, 106360), (2256, 93065), (2632, 79770), (2659, 78960), (2820, 74452), (3290, 63816), (3760, 55839), (3948, 53180), (4935, 42544), (5264, 39885), (5318, 39480), (5640, 37226), (6580, 31908), (7896, 26590), (7977, 26320), (9870, 21272), (10636, 19740), (11280, 18613), (13160, 15954), (13295, 15792)]