201641860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 519632064

約数和(自身を除く): 317990204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 67, 70, 74, 83, 98, 134, 140, 148, 166, 185, 196, 245, 259, 268, 332, 335, 370, 415, 469, 490, 518, 581, 670, 740, 830, 938, 980, 1036, 1162, 1295, 1340, 1660, 1813, 1876, 2324, 2345, 2479, 2590, 2905, 3071, 3283, 3626, 4067, 4690, 4958, 5180, 5561, 5810, 6142, 6566, 7252, 8134, 9065, 9380, 9916, 11122, 11620, 12284, 12395, 13132, 15355, 16268, 16415, 17353, 18130, 20335, 21497, 22244, 24790, 27805, 30710, 32830, 34706, 36260, 38927, 40670, 42994, 49580, 55610, 61420, 65660, 69412, 77854, 81340, 85988, 86765, 107485, 111220, 121471, 150479, 155708, 173530, 194635, 205757, 214970, 242942, 272489, 300958, 347060, 389270, 411514, 429940, 485884, 544978, 601916, 607355, 752395, 778540, 823028, 1028785, 1089956, 1214710, 1362445, 1440299, 1504790, 2057570, 2429420, 2724890, 2880598, 3009580, 4115140, 5449780, 5761196, 7201495, 10082093, 14402990, 20164186, 28805980, 40328372, 50410465, 100820930, 201641860]

約数ペア:

[(1, 201641860), (2, 100820930), (4, 50410465), (5, 40328372), (7, 28805980), (10, 20164186), (14, 14402990), (20, 10082093), (28, 7201495), (35, 5761196), (37, 5449780), (49, 4115140), (67, 3009580), (70, 2880598), (74, 2724890), (83, 2429420), (98, 2057570), (134, 1504790), (140, 1440299), (148, 1362445), (166, 1214710), (185, 1089956), (196, 1028785), (245, 823028), (259, 778540), (268, 752395), (332, 607355), (335, 601916), (370, 544978), (415, 485884), (469, 429940), (490, 411514), (518, 389270), (581, 347060), (670, 300958), (740, 272489), (830, 242942), (938, 214970), (980, 205757), (1036, 194635), (1162, 173530), (1295, 155708), (1340, 150479), (1660, 121471), (1813, 111220), (1876, 107485), (2324, 86765), (2345, 85988), (2479, 81340), (2590, 77854), (2905, 69412), (3071, 65660), (3283, 61420), (3626, 55610), (4067, 49580), (4690, 42994), (4958, 40670), (5180, 38927), (5561, 36260), (5810, 34706), (6142, 32830), (6566, 30710), (7252, 27805), (8134, 24790), (9065, 22244), (9380, 21497), (9916, 20335), (11122, 18130), (11620, 17353), (12284, 16415), (12395, 16268), (13132, 15355)]