1539590420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1\times {\mathrm{1361}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 3264746688

約数和(自身を除く): 1725156268

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 347, 652, 694, 815, 1361, 1388, 1630, 1735, 2722, 3260, 3470, 5444, 6805, 6940, 13610, 27220, 56561, 113122, 221843, 226244, 282805, 443686, 472267, 565610, 887372, 944534, 1109215, 1131220, 1889068, 2218430, 2361335, 4436860, 4722670, 9445340, 76979521, 153959042, 307918084, 384897605, 769795210, 1539590420]

約数ペア:

[(1, 1539590420), (2, 769795210), (4, 384897605), (5, 307918084), (10, 153959042), (20, 76979521), (163, 9445340), (326, 4722670), (347, 4436860), (652, 2361335), (694, 2218430), (815, 1889068), (1361, 1131220), (1388, 1109215), (1630, 944534), (1735, 887372), (2722, 565610), (3260, 472267), (3470, 443686), (5444, 282805), (6805, 226244), (6940, 221843), (13610, 113122), (27220, 56561)]