319749920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4114

約数の個数: 96

約数和(自身を含む): 875702016

約数和(自身を除く): 555952096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1988, 2272, 2485, 2840, 3976, 4021, 4970, 5680, 7952, 8042, 9940, 11360, 15904, 16084, 19880, 20105, 28147, 32168, 39760, 40210, 56294, 64336, 79520, 80420, 112588, 128672, 140735, 160840, 225176, 281470, 285491, 321680, 450352, 562940, 570982, 643360, 900704, 1125880, 1141964, 1427455, 1998437, 2251760, 2283928, 2854910, 3996874, 4503520, 4567856, 5709820, 7993748, 9135712, 9992185, 11419640, 15987496, 19984370, 22839280, 31974992, 39968740, 45678560, 63949984, 79937480, 159874960, 319749920]

約数ペア:

[(1, 319749920), (2, 159874960), (4, 79937480), (5, 63949984), (7, 45678560), (8, 39968740), (10, 31974992), (14, 22839280), (16, 19984370), (20, 15987496), (28, 11419640), (32, 9992185), (35, 9135712), (40, 7993748), (56, 5709820), (70, 4567856), (71, 4503520), (80, 3996874), (112, 2854910), (140, 2283928), (142, 2251760), (160, 1998437), (224, 1427455), (280, 1141964), (284, 1125880), (355, 900704), (497, 643360), (560, 570982), (568, 562940), (710, 450352), (994, 321680), (1120, 285491), (1136, 281470), (1420, 225176), (1988, 160840), (2272, 140735), (2485, 128672), (2840, 112588), (3976, 80420), (4021, 79520), (4970, 64336), (5680, 56294), (7952, 40210), (8042, 39760), (9940, 32168), (11360, 28147), (15904, 20105), (16084, 19880)]