38399020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{503}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 88397568

約数和(自身を除く): 49998548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 503, 694, 1006, 1388, 1735, 2012, 2515, 3470, 3817, 5030, 5533, 6940, 7634, 10060, 11066, 15268, 19085, 22132, 27665, 38170, 55330, 76340, 110660, 174541, 349082, 698164, 872705, 1745410, 1919951, 3490820, 3839902, 7679804, 9599755, 19199510, 38399020]

約数ペア:

[(1, 38399020), (2, 19199510), (4, 9599755), (5, 7679804), (10, 3839902), (11, 3490820), (20, 1919951), (22, 1745410), (44, 872705), (55, 698164), (110, 349082), (220, 174541), (347, 110660), (503, 76340), (694, 55330), (1006, 38170), (1388, 27665), (1735, 22132), (2012, 19085), (2515, 15268), (3470, 11066), (3817, 10060), (5030, 7634), (5533, 6940)]