308996940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 1013064192

約数和(自身を除く): 704067252

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, 210, 227, 245, 294, 420, 454, 463, 490, 588, 681, 735, 908, 926, 980, 1135, 1362, 1389, 1470, 1589, 1852, 2270, 2315, 2724, 2778, 2940, 3178, 3241, 3405, 4540, 4630, 4767, 5556, 6356, 6482, 6810, 6945, 7945, 9260, 9534, 9723, 11123, 12964, 13620, 13890, 15890, 16205, 19068, 19446, 22246, 22687, 23835, 27780, 31780, 32410, 33369, 38892, 44492, 45374, 47670, 48615, 55615, 64820, 66738, 68061, 90748, 95340, 97230, 105101, 111230, 113435, 133476, 136122, 166845, 194460, 210202, 222460, 226870, 272244, 315303, 333690, 340305, 420404, 453740, 525505, 630606, 667380, 680610, 735707, 1051010, 1261212, 1361220, 1471414, 1576515, 2102020, 2207121, 2942828, 3153030, 3678535, 4414242, 5149949, 6306060, 7357070, 8828484, 10299898, 11035605, 14714140, 15449847, 20599796, 22071210, 25749745, 30899694, 44142420, 51499490, 61799388, 77249235, 102998980, 154498470, 308996940]

約数ペア:

[(1, 308996940), (2, 154498470), (3, 102998980), (4, 77249235), (5, 61799388), (6, 51499490), (7, 44142420), (10, 30899694), (12, 25749745), (14, 22071210), (15, 20599796), (20, 15449847), (21, 14714140), (28, 11035605), (30, 10299898), (35, 8828484), (42, 7357070), (49, 6306060), (60, 5149949), (70, 4414242), (84, 3678535), (98, 3153030), (105, 2942828), (140, 2207121), (147, 2102020), (196, 1576515), (210, 1471414), (227, 1361220), (245, 1261212), (294, 1051010), (420, 735707), (454, 680610), (463, 667380), (490, 630606), (588, 525505), (681, 453740), (735, 420404), (908, 340305), (926, 333690), (980, 315303), (1135, 272244), (1362, 226870), (1389, 222460), (1470, 210202), (1589, 194460), (1852, 166845), (2270, 136122), (2315, 133476), (2724, 113435), (2778, 111230), (2940, 105101), (3178, 97230), (3241, 95340), (3405, 90748), (4540, 68061), (4630, 66738), (4767, 64820), (5556, 55615), (6356, 48615), (6482, 47670), (6810, 45374), (6945, 44492), (7945, 38892), (9260, 33369), (9534, 32410), (9723, 31780), (11123, 27780), (12964, 23835), (13620, 22687), (13890, 22246), (15890, 19446), (16205, 19068)]