421977384

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:712

約数の個数: 128

約数和(自身を含む): 1242000000

約数和(自身を除く): 820022616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 229, 342, 449, 456, 458, 513, 684, 687, 898, 916, 1026, 1347, 1368, 1374, 1796, 1832, 2052, 2061, 2694, 2748, 3592, 4041, 4104, 4122, 4351, 5388, 5496, 6183, 8082, 8244, 8531, 8702, 10776, 12123, 12366, 13053, 16164, 16488, 17062, 17404, 24246, 24732, 25593, 26106, 32328, 34124, 34808, 39159, 48492, 49464, 51186, 52212, 68248, 76779, 78318, 96984, 102372, 102821, 104424, 117477, 153558, 156636, 204744, 205642, 230337, 234954, 307116, 308463, 313272, 411284, 460674, 469908, 614232, 616926, 822568, 921348, 925389, 939816, 1233852, 1842696, 1850778, 1953599, 2467704, 2776167, 3701556, 3907198, 5552334, 5860797, 7403112, 7814396, 11104668, 11721594, 15628792, 17582391, 22209336, 23443188, 35164782, 46886376, 52747173, 70329564, 105494346, 140659128, 210988692, 421977384]

約数ペア:

[(1, 421977384), (2, 210988692), (3, 140659128), (4, 105494346), (6, 70329564), (8, 52747173), (9, 46886376), (12, 35164782), (18, 23443188), (19, 22209336), (24, 17582391), (27, 15628792), (36, 11721594), (38, 11104668), (54, 7814396), (57, 7403112), (72, 5860797), (76, 5552334), (108, 3907198), (114, 3701556), (152, 2776167), (171, 2467704), (216, 1953599), (228, 1850778), (229, 1842696), (342, 1233852), (449, 939816), (456, 925389), (458, 921348), (513, 822568), (684, 616926), (687, 614232), (898, 469908), (916, 460674), (1026, 411284), (1347, 313272), (1368, 308463), (1374, 307116), (1796, 234954), (1832, 230337), (2052, 205642), (2061, 204744), (2694, 156636), (2748, 153558), (3592, 117477), (4041, 104424), (4104, 102821), (4122, 102372), (4351, 96984), (5388, 78318), (5496, 76779), (6183, 68248), (8082, 52212), (8244, 51186), (8531, 49464), (8702, 48492), (10776, 39159), (12123, 34808), (12366, 34124), (13053, 32328), (16164, 26106), (16488, 25593), (17062, 24732), (17404, 24246)]