28995540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 102187008

約数和(自身を除く): 73191468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 51, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 124, 131, 140, 155, 170, 186, 204, 210, 217, 238, 255, 262, 310, 340, 357, 372, 393, 420, 434, 465, 476, 510, 524, 527, 595, 620, 651, 655, 714, 786, 868, 917, 930, 1020, 1054, 1085, 1190, 1302, 1310, 1428, 1572, 1581, 1785, 1834, 1860, 1965, 2108, 2170, 2227, 2380, 2604, 2620, 2635, 2751, 3162, 3255, 3570, 3668, 3689, 3930, 4061, 4340, 4454, 4585, 5270, 5502, 6324, 6510, 6681, 7140, 7378, 7860, 7905, 8122, 8908, 9170, 10540, 11004, 11067, 11135, 12183, 13020, 13362, 13755, 14756, 15589, 15810, 16244, 18340, 18445, 20305, 22134, 22270, 24366, 26724, 27510, 28427, 31178, 31620, 33405, 36890, 40610, 44268, 44540, 46767, 48732, 55020, 55335, 56854, 60915, 62356, 66810, 69037, 73780, 77945, 81220, 85281, 93534, 110670, 113708, 121830, 133620, 138074, 142135, 155890, 170562, 187068, 207111, 221340, 233835, 243660, 276148, 284270, 311780, 341124, 345185, 414222, 426405, 467670, 483259, 568540, 690370, 828444, 852810, 935340, 966518, 1035555, 1380740, 1449777, 1705620, 1933036, 2071110, 2416295, 2899554, 4142220, 4832590, 5799108, 7248885, 9665180, 14497770, 28995540]

約数ペア:

[(1, 28995540), (2, 14497770), (3, 9665180), (4, 7248885), (5, 5799108), (6, 4832590), (7, 4142220), (10, 2899554), (12, 2416295), (14, 2071110), (15, 1933036), (17, 1705620), (20, 1449777), (21, 1380740), (28, 1035555), (30, 966518), (31, 935340), (34, 852810), (35, 828444), (42, 690370), (51, 568540), (60, 483259), (62, 467670), (68, 426405), (70, 414222), (84, 345185), (85, 341124), (93, 311780), (102, 284270), (105, 276148), (119, 243660), (124, 233835), (131, 221340), (140, 207111), (155, 187068), (170, 170562), (186, 155890), (204, 142135), (210, 138074), (217, 133620), (238, 121830), (255, 113708), (262, 110670), (310, 93534), (340, 85281), (357, 81220), (372, 77945), (393, 73780), (420, 69037), (434, 66810), (465, 62356), (476, 60915), (510, 56854), (524, 55335), (527, 55020), (595, 48732), (620, 46767), (651, 44540), (655, 44268), (714, 40610), (786, 36890), (868, 33405), (917, 31620), (930, 31178), (1020, 28427), (1054, 27510), (1085, 26724), (1190, 24366), (1302, 22270), (1310, 22134), (1428, 20305), (1572, 18445), (1581, 18340), (1785, 16244), (1834, 15810), (1860, 15589), (1965, 14756), (2108, 13755), (2170, 13362), (2227, 13020), (2380, 12183), (2604, 11135), (2620, 11067), (2635, 11004), (2751, 10540), (3162, 9170), (3255, 8908), (3570, 8122), (3668, 7905), (3689, 7860), (3930, 7378), (4061, 7140), (4340, 6681), (4454, 6510), (4585, 6324), (5270, 5502)]