491636480

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7247}}^1$

素因数の和:7321

約数の個数: 72

約数和(自身を含む): 1200007872

約数和(自身を除く): 708371392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 2120, 3392, 4240, 6784, 7247, 8480, 13568, 14494, 16960, 28988, 33920, 36235, 57976, 67840, 72470, 115952, 144940, 231904, 289880, 384091, 463808, 579760, 768182, 927616, 1159520, 1536364, 1855232, 1920455, 2319040, 3072728, 3840910, 4638080, 6145456, 7681820, 9276160, 12290912, 15363640, 24581824, 30727280, 49163648, 61454560, 98327296, 122909120, 245818240, 491636480]

約数ペア:

[(1, 491636480), (2, 245818240), (4, 122909120), (5, 98327296), (8, 61454560), (10, 49163648), (16, 30727280), (20, 24581824), (32, 15363640), (40, 12290912), (53, 9276160), (64, 7681820), (80, 6145456), (106, 4638080), (128, 3840910), (160, 3072728), (212, 2319040), (256, 1920455), (265, 1855232), (320, 1536364), (424, 1159520), (530, 927616), (640, 768182), (848, 579760), (1060, 463808), (1280, 384091), (1696, 289880), (2120, 231904), (3392, 144940), (4240, 115952), (6784, 72470), (7247, 67840), (8480, 57976), (13568, 36235), (14494, 33920), (16960, 28988)]