231657440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:940

約数の個数: 96

約数和(自身を含む): 628254144

約数和(自身を除く): 396596704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 397, 521, 560, 794, 1042, 1120, 1588, 1985, 2084, 2605, 2779, 3176, 3647, 3970, 4168, 5210, 5558, 6352, 7294, 7940, 8336, 10420, 11116, 12704, 13895, 14588, 15880, 16672, 18235, 20840, 22232, 27790, 29176, 31760, 36470, 41680, 44464, 55580, 58352, 63520, 72940, 83360, 88928, 111160, 116704, 145880, 206837, 222320, 291760, 413674, 444640, 583520, 827348, 1034185, 1447859, 1654696, 2068370, 2895718, 3309392, 4136740, 5791436, 6618784, 7239295, 8273480, 11582872, 14478590, 16546960, 23165744, 28957180, 33093920, 46331488, 57914360, 115828720, 231657440]

約数ペア:

[(1, 231657440), (2, 115828720), (4, 57914360), (5, 46331488), (7, 33093920), (8, 28957180), (10, 23165744), (14, 16546960), (16, 14478590), (20, 11582872), (28, 8273480), (32, 7239295), (35, 6618784), (40, 5791436), (56, 4136740), (70, 3309392), (80, 2895718), (112, 2068370), (140, 1654696), (160, 1447859), (224, 1034185), (280, 827348), (397, 583520), (521, 444640), (560, 413674), (794, 291760), (1042, 222320), (1120, 206837), (1588, 145880), (1985, 116704), (2084, 111160), (2605, 88928), (2779, 83360), (3176, 72940), (3647, 63520), (3970, 58352), (4168, 55580), (5210, 44464), (5558, 41680), (6352, 36470), (7294, 31760), (7940, 29176), (8336, 27790), (10420, 22232), (11116, 20840), (12704, 18235), (13895, 16672), (14588, 15880)]