4788940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 10993248

約数和(自身を除く): 6204308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 163, 226, 260, 326, 452, 565, 652, 815, 1130, 1469, 1630, 2119, 2260, 2938, 3260, 4238, 5876, 7345, 8476, 10595, 14690, 18419, 21190, 29380, 36838, 42380, 73676, 92095, 184190, 239447, 368380, 478894, 957788, 1197235, 2394470, 4788940]

約数ペア:

[(1, 4788940), (2, 2394470), (4, 1197235), (5, 957788), (10, 478894), (13, 368380), (20, 239447), (26, 184190), (52, 92095), (65, 73676), (113, 42380), (130, 36838), (163, 29380), (226, 21190), (260, 18419), (326, 14690), (452, 10595), (565, 8476), (652, 7345), (815, 5876), (1130, 4238), (1469, 3260), (1630, 2938), (2119, 2260)]