2788395920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{1483}}^1$

素因数の和:2752

約数の個数: 80

約数和(自身を含む): 6834354240

約数和(自身を除く): 4045958320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1237, 1483, 1520, 2474, 2966, 4948, 5932, 6185, 7415, 9896, 11864, 12370, 14830, 19792, 23503, 23728, 24740, 28177, 29660, 47006, 49480, 56354, 59320, 94012, 98960, 112708, 117515, 118640, 140885, 188024, 225416, 235030, 281770, 376048, 450832, 470060, 563540, 940120, 1127080, 1834471, 1880240, 2254160, 3668942, 7337884, 9172355, 14675768, 18344710, 29351536, 34854949, 36689420, 69709898, 73378840, 139419796, 146757680, 174274745, 278839592, 348549490, 557679184, 697098980, 1394197960, 2788395920]

約数ペア:

[(1, 2788395920), (2, 1394197960), (4, 697098980), (5, 557679184), (8, 348549490), (10, 278839592), (16, 174274745), (19, 146757680), (20, 139419796), (38, 73378840), (40, 69709898), (76, 36689420), (80, 34854949), (95, 29351536), (152, 18344710), (190, 14675768), (304, 9172355), (380, 7337884), (760, 3668942), (1237, 2254160), (1483, 1880240), (1520, 1834471), (2474, 1127080), (2966, 940120), (4948, 563540), (5932, 470060), (6185, 450832), (7415, 376048), (9896, 281770), (11864, 235030), (12370, 225416), (14830, 188024), (19792, 140885), (23503, 118640), (23728, 117515), (24740, 112708), (28177, 98960), (29660, 94012), (47006, 59320), (49480, 56354)]