254137590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 814769280

約数和(自身を除く): 560631690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 61, 63, 70, 85, 90, 102, 105, 119, 122, 126, 153, 170, 183, 210, 238, 255, 305, 306, 315, 357, 366, 389, 427, 510, 549, 595, 610, 630, 714, 765, 778, 854, 915, 1037, 1071, 1098, 1167, 1190, 1281, 1530, 1785, 1830, 1945, 2074, 2135, 2142, 2334, 2562, 2723, 2745, 3111, 3501, 3570, 3843, 3890, 4270, 5185, 5355, 5446, 5490, 5835, 6222, 6405, 6613, 7002, 7259, 7686, 8169, 9333, 10370, 10710, 11670, 12810, 13226, 13615, 14518, 15555, 16338, 17505, 18666, 19215, 19839, 21777, 23729, 24507, 27230, 31110, 33065, 35010, 36295, 38430, 39678, 40845, 43554, 46291, 46665, 47458, 49014, 59517, 65331, 66130, 71187, 72590, 81690, 92582, 93330, 99195, 108885, 118645, 119034, 122535, 130662, 138873, 142374, 166103, 198390, 213561, 217770, 231455, 237290, 245070, 277746, 297585, 326655, 332206, 355935, 403393, 416619, 427122, 462910, 498309, 595170, 653310, 694365, 711870, 806786, 830515, 833238, 996618, 1067805, 1210179, 1388730, 1494927, 1661030, 2016965, 2083095, 2135610, 2420358, 2491545, 2823751, 2989854, 3630537, 4033930, 4166190, 4983090, 5647502, 6050895, 7261074, 7474635, 8471253, 12101790, 14118755, 14949270, 16942506, 18152685, 25413759, 28237510, 36305370, 42356265, 50827518, 84712530, 127068795, 254137590]

約数ペア:

[(1, 254137590), (2, 127068795), (3, 84712530), (5, 50827518), (6, 42356265), (7, 36305370), (9, 28237510), (10, 25413759), (14, 18152685), (15, 16942506), (17, 14949270), (18, 14118755), (21, 12101790), (30, 8471253), (34, 7474635), (35, 7261074), (42, 6050895), (45, 5647502), (51, 4983090), (61, 4166190), (63, 4033930), (70, 3630537), (85, 2989854), (90, 2823751), (102, 2491545), (105, 2420358), (119, 2135610), (122, 2083095), (126, 2016965), (153, 1661030), (170, 1494927), (183, 1388730), (210, 1210179), (238, 1067805), (255, 996618), (305, 833238), (306, 830515), (315, 806786), (357, 711870), (366, 694365), (389, 653310), (427, 595170), (510, 498309), (549, 462910), (595, 427122), (610, 416619), (630, 403393), (714, 355935), (765, 332206), (778, 326655), (854, 297585), (915, 277746), (1037, 245070), (1071, 237290), (1098, 231455), (1167, 217770), (1190, 213561), (1281, 198390), (1530, 166103), (1785, 142374), (1830, 138873), (1945, 130662), (2074, 122535), (2135, 119034), (2142, 118645), (2334, 108885), (2562, 99195), (2723, 93330), (2745, 92582), (3111, 81690), (3501, 72590), (3570, 71187), (3843, 66130), (3890, 65331), (4270, 59517), (5185, 49014), (5355, 47458), (5446, 46665), (5490, 46291), (5835, 43554), (6222, 40845), (6405, 39678), (6613, 38430), (7002, 36295), (7259, 35010), (7686, 33065), (8169, 31110), (9333, 27230), (10370, 24507), (10710, 23729), (11670, 21777), (12810, 19839), (13226, 19215), (13615, 18666), (14518, 17505), (15555, 16338)]