891023620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 2028902400

約数和(自身を除く): 1137878780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 79, 95, 134, 158, 190, 268, 316, 335, 380, 395, 443, 670, 790, 886, 1273, 1340, 1501, 1580, 1772, 2215, 2546, 3002, 4430, 5092, 5293, 6004, 6365, 7505, 8417, 8860, 10586, 12730, 15010, 16834, 21172, 25460, 26465, 29681, 30020, 33668, 34997, 42085, 52930, 59362, 69994, 84170, 100567, 105860, 118724, 139988, 148405, 168340, 174985, 201134, 296810, 349970, 402268, 502835, 563939, 593620, 664943, 699940, 1005670, 1127878, 1329886, 2011340, 2255756, 2344799, 2659772, 2819695, 3324715, 4689598, 5639390, 6649430, 9379196, 11278780, 11723995, 13298860, 23447990, 44551181, 46895980, 89102362, 178204724, 222755905, 445511810, 891023620]

約数ペア:

[(1, 891023620), (2, 445511810), (4, 222755905), (5, 178204724), (10, 89102362), (19, 46895980), (20, 44551181), (38, 23447990), (67, 13298860), (76, 11723995), (79, 11278780), (95, 9379196), (134, 6649430), (158, 5639390), (190, 4689598), (268, 3324715), (316, 2819695), (335, 2659772), (380, 2344799), (395, 2255756), (443, 2011340), (670, 1329886), (790, 1127878), (886, 1005670), (1273, 699940), (1340, 664943), (1501, 593620), (1580, 563939), (1772, 502835), (2215, 402268), (2546, 349970), (3002, 296810), (4430, 201134), (5092, 174985), (5293, 168340), (6004, 148405), (6365, 139988), (7505, 118724), (8417, 105860), (8860, 100567), (10586, 84170), (12730, 69994), (15010, 59362), (16834, 52930), (21172, 42085), (25460, 34997), (26465, 33668), (29681, 30020)]