247193940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 601945260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 89, 102, 105, 119, 140, 170, 178, 204, 210, 238, 255, 267, 340, 356, 357, 389, 420, 445, 476, 510, 534, 595, 623, 714, 778, 890, 1020, 1068, 1167, 1190, 1246, 1335, 1428, 1513, 1556, 1780, 1785, 1869, 1945, 2334, 2380, 2492, 2670, 2723, 3026, 3115, 3570, 3738, 3890, 4539, 4668, 5340, 5446, 5835, 6052, 6230, 6613, 7140, 7476, 7565, 7780, 8169, 9078, 9345, 10591, 10892, 11670, 12460, 13226, 13615, 15130, 16338, 18156, 18690, 19839, 21182, 22695, 23340, 26452, 27230, 30260, 31773, 32676, 33065, 34621, 37380, 39678, 40845, 42364, 45390, 46291, 52955, 54460, 63546, 66130, 69242, 79356, 81690, 90780, 92582, 99195, 103863, 105910, 127092, 132260, 138484, 138873, 158865, 163380, 173105, 185164, 198390, 207726, 211820, 231455, 242347, 277746, 317730, 346210, 396780, 415452, 462910, 484694, 519315, 555492, 588557, 635460, 692420, 694365, 727041, 925820, 969388, 1038630, 1177114, 1211735, 1388730, 1454082, 1765671, 2077260, 2354228, 2423470, 2777460, 2908164, 2942785, 3531342, 3635205, 4119899, 4846940, 5885570, 7062684, 7270410, 8239798, 8828355, 11771140, 12359697, 14540820, 16479596, 17656710, 20599495, 24719394, 35313420, 41198990, 49438788, 61798485, 82397980, 123596970, 247193940]

約数ペア:

[(1, 247193940), (2, 123596970), (3, 82397980), (4, 61798485), (5, 49438788), (6, 41198990), (7, 35313420), (10, 24719394), (12, 20599495), (14, 17656710), (15, 16479596), (17, 14540820), (20, 12359697), (21, 11771140), (28, 8828355), (30, 8239798), (34, 7270410), (35, 7062684), (42, 5885570), (51, 4846940), (60, 4119899), (68, 3635205), (70, 3531342), (84, 2942785), (85, 2908164), (89, 2777460), (102, 2423470), (105, 2354228), (119, 2077260), (140, 1765671), (170, 1454082), (178, 1388730), (204, 1211735), (210, 1177114), (238, 1038630), (255, 969388), (267, 925820), (340, 727041), (356, 694365), (357, 692420), (389, 635460), (420, 588557), (445, 555492), (476, 519315), (510, 484694), (534, 462910), (595, 415452), (623, 396780), (714, 346210), (778, 317730), (890, 277746), (1020, 242347), (1068, 231455), (1167, 211820), (1190, 207726), (1246, 198390), (1335, 185164), (1428, 173105), (1513, 163380), (1556, 158865), (1780, 138873), (1785, 138484), (1869, 132260), (1945, 127092), (2334, 105910), (2380, 103863), (2492, 99195), (2670, 92582), (2723, 90780), (3026, 81690), (3115, 79356), (3570, 69242), (3738, 66130), (3890, 63546), (4539, 54460), (4668, 52955), (5340, 46291), (5446, 45390), (5835, 42364), (6052, 40845), (6230, 39678), (6613, 37380), (7140, 34621), (7476, 33065), (7565, 32676), (7780, 31773), (8169, 30260), (9078, 27230), (9345, 26452), (10591, 23340), (10892, 22695), (11670, 21182), (12460, 19839), (13226, 18690), (13615, 18156), (15130, 16338)]