1974913280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:824

約数の個数: 144

約数和(自身を含む): 4958972928

約数和(自身を除く): 2984059648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 284, 310, 320, 355, 496, 568, 620, 640, 701, 710, 992, 1136, 1240, 1280, 1402, 1420, 1984, 2201, 2272, 2480, 2804, 2840, 3505, 3968, 4402, 4544, 4960, 5608, 5680, 7010, 7936, 8804, 9088, 9920, 11005, 11216, 11360, 14020, 17608, 18176, 19840, 21731, 22010, 22432, 22720, 28040, 35216, 39680, 43462, 44020, 44864, 45440, 49771, 56080, 70432, 86924, 88040, 89728, 90880, 99542, 108655, 112160, 140864, 173848, 176080, 179456, 199084, 217310, 224320, 248855, 281728, 347696, 352160, 398168, 434620, 448640, 497710, 563456, 695392, 704320, 796336, 869240, 897280, 995420, 1390784, 1408640, 1542901, 1592672, 1738480, 1990840, 2781568, 2817280, 3085802, 3185344, 3476960, 3981680, 5563136, 6171604, 6370688, 6953920, 7714505, 7963360, 12343208, 12741376, 13907840, 15429010, 15926720, 24686416, 27815680, 30858020, 31853440, 49372832, 61716040, 63706880, 98745664, 123432080, 197491328, 246864160, 394982656, 493728320, 987456640, 1974913280]

約数ペア:

[(1, 1974913280), (2, 987456640), (4, 493728320), (5, 394982656), (8, 246864160), (10, 197491328), (16, 123432080), (20, 98745664), (31, 63706880), (32, 61716040), (40, 49372832), (62, 31853440), (64, 30858020), (71, 27815680), (80, 24686416), (124, 15926720), (128, 15429010), (142, 13907840), (155, 12741376), (160, 12343208), (248, 7963360), (256, 7714505), (284, 6953920), (310, 6370688), (320, 6171604), (355, 5563136), (496, 3981680), (568, 3476960), (620, 3185344), (640, 3085802), (701, 2817280), (710, 2781568), (992, 1990840), (1136, 1738480), (1240, 1592672), (1280, 1542901), (1402, 1408640), (1420, 1390784), (1984, 995420), (2201, 897280), (2272, 869240), (2480, 796336), (2804, 704320), (2840, 695392), (3505, 563456), (3968, 497710), (4402, 448640), (4544, 434620), (4960, 398168), (5608, 352160), (5680, 347696), (7010, 281728), (7936, 248855), (8804, 224320), (9088, 217310), (9920, 199084), (11005, 179456), (11216, 176080), (11360, 173848), (14020, 140864), (17608, 112160), (18176, 108655), (19840, 99542), (21731, 90880), (22010, 89728), (22432, 88040), (22720, 86924), (28040, 70432), (35216, 56080), (39680, 49771), (43462, 45440), (44020, 44864)]