248432340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318503}}^1$

素因数の和:318528

約数の個数: 48

約数和(自身を含む): 749121408

約数和(自身を除く): 500689068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 318503, 637006, 955509, 1274012, 1592515, 1911018, 3185030, 3822036, 4140539, 4777545, 6370060, 8281078, 9555090, 12421617, 16562156, 19110180, 20702695, 24843234, 41405390, 49686468, 62108085, 82810780, 124216170, 248432340]

約数ペア:

[(1, 248432340), (2, 124216170), (3, 82810780), (4, 62108085), (5, 49686468), (6, 41405390), (10, 24843234), (12, 20702695), (13, 19110180), (15, 16562156), (20, 12421617), (26, 9555090), (30, 8281078), (39, 6370060), (52, 4777545), (60, 4140539), (65, 3822036), (78, 3185030), (130, 1911018), (156, 1592515), (195, 1274012), (260, 955509), (390, 637006), (780, 318503)]