38391940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 85705200

約数和(自身を除く): 47313260

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1789, 2146, 3578, 4292, 5365, 7156, 8945, 10730, 17890, 21460, 35780, 51881, 66193, 103762, 132386, 207524, 259405, 264772, 330965, 518810, 661930, 1037620, 1323860, 1919597, 3839194, 7678388, 9597985, 19195970, 38391940]

約数ペア:

[(1, 38391940), (2, 19195970), (4, 9597985), (5, 7678388), (10, 3839194), (20, 1919597), (29, 1323860), (37, 1037620), (58, 661930), (74, 518810), (116, 330965), (145, 264772), (148, 259405), (185, 207524), (290, 132386), (370, 103762), (580, 66193), (740, 51881), (1073, 35780), (1789, 21460), (2146, 17890), (3578, 10730), (4292, 8945), (5365, 7156)]