298207960

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{10789}}^1$

素因数の和:11491

約数の個数: 32

約数和(自身を含む): 672001200

約数和(自身を除く): 373793240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 10789, 13820, 21578, 27640, 43156, 53945, 86312, 107890, 215780, 431560, 7455199, 14910398, 29820796, 37275995, 59641592, 74551990, 149103980, 298207960]

約数ペア:

[(1, 298207960), (2, 149103980), (4, 74551990), (5, 59641592), (8, 37275995), (10, 29820796), (20, 14910398), (40, 7455199), (691, 431560), (1382, 215780), (2764, 107890), (3455, 86312), (5528, 53945), (6910, 43156), (10789, 27640), (13820, 21578)]