1189840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1622480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 139, 214, 278, 428, 535, 556, 695, 856, 1070, 1112, 1390, 1712, 2140, 2224, 2780, 4280, 5560, 8560, 11120, 14873, 29746, 59492, 74365, 118984, 148730, 237968, 297460, 594920, 1189840]

約数ペア:

[(1, 1189840), (2, 594920), (4, 297460), (5, 237968), (8, 148730), (10, 118984), (16, 74365), (20, 59492), (40, 29746), (80, 14873), (107, 11120), (139, 8560), (214, 5560), (278, 4280), (428, 2780), (535, 2224), (556, 2140), (695, 1712), (856, 1390), (1070, 1112)]