391546260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 216

約数和(自身を含む): 1398249216

約数和(自身を除く): 1006702956

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, 431, 441, 490, 515, 588, 618, 630, 721, 735, 862, 882, 927, 980, 1030, 1236, 1260, 1293, 1442, 1470, 1545, 1724, 1764, 1854, 2060, 2155, 2163, 2205, 2586, 2884, 2940, 3017, 3090, 3605, 3708, 3879, 4310, 4326, 4410, 4635, 5047, 5172, 6034, 6180, 6465, 6489, 7210, 7758, 8620, 8652, 8820, 9051, 9270, 10094, 10815, 12068, 12930, 12978, 14420, 15085, 15141, 15516, 18102, 18540, 19395, 20188, 21119, 21630, 25235, 25860, 25956, 27153, 30170, 30282, 32445, 36204, 38790, 42238, 43260, 44393, 45255, 45423, 50470, 54306, 60340, 60564, 63357, 64890, 75705, 77580, 84476, 88786, 90510, 90846, 100940, 105595, 108612, 126714, 129780, 133179, 135765, 151410, 177572, 181020, 181692, 190071, 211190, 221965, 227115, 253428, 266358, 271530, 302820, 310751, 316785, 380142, 399537, 422380, 443930, 454230, 532716, 543060, 621502, 633570, 665895, 760284, 799074, 887860, 908460, 932253, 950355, 1243004, 1267140, 1331790, 1553755, 1598148, 1864506, 1900710, 1997685, 2175257, 2663580, 2796759, 3107510, 3729012, 3801420, 3995370, 4350514, 4661265, 5593518, 6215020, 6525771, 7990740, 8701028, 9322530, 10876285, 11187036, 13051542, 13983795, 18645060, 19577313, 21752570, 26103084, 27967590, 32628855, 39154626, 43505140, 55935180, 65257710, 78309252, 97886565, 130515420, 195773130, 391546260]

約数ペア:

[(1, 391546260), (2, 195773130), (3, 130515420), (4, 97886565), (5, 78309252), (6, 65257710), (7, 55935180), (9, 43505140), (10, 39154626), (12, 32628855), (14, 27967590), (15, 26103084), (18, 21752570), (20, 19577313), (21, 18645060), (28, 13983795), (30, 13051542), (35, 11187036), (36, 10876285), (42, 9322530), (45, 8701028), (49, 7990740), (60, 6525771), (63, 6215020), (70, 5593518), (84, 4661265), (90, 4350514), (98, 3995370), (103, 3801420), (105, 3729012), (126, 3107510), (140, 2796759), (147, 2663580), (180, 2175257), (196, 1997685), (206, 1900710), (210, 1864506), (245, 1598148), (252, 1553755), (294, 1331790), (309, 1267140), (315, 1243004), (412, 950355), (420, 932253), (431, 908460), (441, 887860), (490, 799074), (515, 760284), (588, 665895), (618, 633570), (630, 621502), (721, 543060), (735, 532716), (862, 454230), (882, 443930), (927, 422380), (980, 399537), (1030, 380142), (1236, 316785), (1260, 310751), (1293, 302820), (1442, 271530), (1470, 266358), (1545, 253428), (1724, 227115), (1764, 221965), (1854, 211190), (2060, 190071), (2155, 181692), (2163, 181020), (2205, 177572), (2586, 151410), (2884, 135765), (2940, 133179), (3017, 129780), (3090, 126714), (3605, 108612), (3708, 105595), (3879, 100940), (4310, 90846), (4326, 90510), (4410, 88786), (4635, 84476), (5047, 77580), (5172, 75705), (6034, 64890), (6180, 63357), (6465, 60564), (6489, 60340), (7210, 54306), (7758, 50470), (8620, 45423), (8652, 45255), (8820, 44393), (9051, 43260), (9270, 42238), (10094, 38790), (10815, 36204), (12068, 32445), (12930, 30282), (12978, 30170), (14420, 27153), (15085, 25956), (15141, 25860), (15516, 25235), (18102, 21630), (18540, 21119), (19395, 20188)]