216688940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5113}}^1$

素因数の和:5298

約数の個数: 48

約数和(自身を含む): 493153248

約数和(自身を除く): 276464308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 5113, 8476, 10226, 10595, 20452, 21190, 25565, 42380, 51130, 66469, 102260, 132938, 265876, 332345, 664690, 833419, 1329380, 1666838, 3333676, 4167095, 8334190, 10834447, 16668380, 21668894, 43337788, 54172235, 108344470, 216688940]

約数ペア:

[(1, 216688940), (2, 108344470), (4, 54172235), (5, 43337788), (10, 21668894), (13, 16668380), (20, 10834447), (26, 8334190), (52, 4167095), (65, 3333676), (130, 1666838), (163, 1329380), (260, 833419), (326, 664690), (652, 332345), (815, 265876), (1630, 132938), (2119, 102260), (3260, 66469), (4238, 51130), (5113, 42380), (8476, 25565), (10226, 21190), (10595, 20452)]