255460190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{3863}}^1$

素因数の和:4276

約数の個数: 32

約数和(自身を含む): 488255040

約数和(自身を除く): 232794850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1945, 3863, 3890, 6613, 7726, 13226, 19315, 33065, 38630, 65671, 66130, 131342, 328355, 656710, 1502707, 3005414, 7513535, 15027070, 25546019, 51092038, 127730095, 255460190]

約数ペア:

[(1, 255460190), (2, 127730095), (5, 51092038), (10, 25546019), (17, 15027070), (34, 7513535), (85, 3005414), (170, 1502707), (389, 656710), (778, 328355), (1945, 131342), (3863, 66130), (3890, 65671), (6613, 38630), (7726, 33065), (13226, 19315)]