991129860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1223

約数の個数: 216

約数和(自身を含む): 3534463296

約数和(自身を除く): 2543333436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 103, 105, 126, 140, 147, 180, 196, 206, 210, 245, 252, 294, 309, 315, 412, 420, 441, 490, 515, 588, 618, 630, 721, 735, 882, 927, 980, 1030, 1091, 1236, 1260, 1442, 1470, 1545, 1764, 1854, 2060, 2163, 2182, 2205, 2884, 2940, 3090, 3273, 3605, 3708, 4326, 4364, 4410, 4635, 5047, 5455, 6180, 6489, 6546, 7210, 7637, 8652, 8820, 9270, 9819, 10094, 10815, 10910, 12978, 13092, 14420, 15141, 15274, 16365, 18540, 19638, 20188, 21630, 21820, 22911, 25235, 25956, 30282, 30548, 32445, 32730, 38185, 39276, 43260, 45423, 45822, 49095, 50470, 53459, 60564, 64890, 65460, 68733, 75705, 76370, 90846, 91644, 98190, 100940, 106918, 112373, 114555, 129780, 137466, 151410, 152740, 160377, 181692, 196380, 213836, 224746, 227115, 229110, 267295, 274932, 302820, 320754, 337119, 343665, 449492, 454230, 458220, 481131, 534590, 561865, 641508, 674238, 687330, 786611, 801885, 908460, 962262, 1011357, 1069180, 1123730, 1348476, 1374660, 1573222, 1603770, 1685595, 1924524, 2022714, 2247460, 2359833, 2405655, 3146444, 3207540, 3371190, 3933055, 4045428, 4719666, 4811310, 5056785, 5506277, 6742380, 7079499, 7866110, 9439332, 9622620, 10113570, 11012554, 11799165, 14158998, 15732220, 16518831, 20227140, 22025108, 23598330, 27531385, 28317996, 33037662, 35397495, 47196660, 49556493, 55062770, 66075324, 70794990, 82594155, 99112986, 110125540, 141589980, 165188310, 198225972, 247782465, 330376620, 495564930, 991129860]

約数ペア:

[(1, 991129860), (2, 495564930), (3, 330376620), (4, 247782465), (5, 198225972), (6, 165188310), (7, 141589980), (9, 110125540), (10, 99112986), (12, 82594155), (14, 70794990), (15, 66075324), (18, 55062770), (20, 49556493), (21, 47196660), (28, 35397495), (30, 33037662), (35, 28317996), (36, 27531385), (42, 23598330), (45, 22025108), (49, 20227140), (60, 16518831), (63, 15732220), (70, 14158998), (84, 11799165), (90, 11012554), (98, 10113570), (103, 9622620), (105, 9439332), (126, 7866110), (140, 7079499), (147, 6742380), (180, 5506277), (196, 5056785), (206, 4811310), (210, 4719666), (245, 4045428), (252, 3933055), (294, 3371190), (309, 3207540), (315, 3146444), (412, 2405655), (420, 2359833), (441, 2247460), (490, 2022714), (515, 1924524), (588, 1685595), (618, 1603770), (630, 1573222), (721, 1374660), (735, 1348476), (882, 1123730), (927, 1069180), (980, 1011357), (1030, 962262), (1091, 908460), (1236, 801885), (1260, 786611), (1442, 687330), (1470, 674238), (1545, 641508), (1764, 561865), (1854, 534590), (2060, 481131), (2163, 458220), (2182, 454230), (2205, 449492), (2884, 343665), (2940, 337119), (3090, 320754), (3273, 302820), (3605, 274932), (3708, 267295), (4326, 229110), (4364, 227115), (4410, 224746), (4635, 213836), (5047, 196380), (5455, 181692), (6180, 160377), (6489, 152740), (6546, 151410), (7210, 137466), (7637, 129780), (8652, 114555), (8820, 112373), (9270, 106918), (9819, 100940), (10094, 98190), (10815, 91644), (10910, 90846), (12978, 76370), (13092, 75705), (14420, 68733), (15141, 65460), (15274, 64890), (16365, 60564), (18540, 53459), (19638, 50470), (20188, 49095), (21630, 45822), (21820, 45423), (22911, 43260), (25235, 39276), (25956, 38185), (30282, 32730), (30548, 32445)]