199977180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 642152448

約数和(自身を除く): 442175268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 71, 78, 92, 115, 130, 138, 142, 156, 157, 195, 213, 230, 260, 276, 284, 299, 314, 345, 355, 390, 426, 460, 471, 598, 628, 690, 710, 780, 785, 852, 897, 923, 942, 1065, 1196, 1380, 1420, 1495, 1570, 1633, 1794, 1846, 1884, 2041, 2130, 2355, 2769, 2990, 3140, 3266, 3588, 3611, 3692, 4082, 4260, 4485, 4615, 4710, 4899, 5538, 5980, 6123, 6532, 7222, 8164, 8165, 8970, 9230, 9420, 9798, 10205, 10833, 11076, 11147, 12246, 13845, 14444, 16330, 17940, 18055, 18460, 19596, 20410, 21229, 21666, 22294, 24492, 24495, 27690, 30615, 32660, 33441, 36110, 40820, 42458, 43332, 44588, 46943, 48990, 54165, 55380, 55735, 61230, 63687, 66882, 72220, 84916, 93886, 97980, 106145, 108330, 111470, 122460, 127374, 133764, 140829, 144911, 167205, 187772, 212290, 216660, 222940, 234715, 254748, 256381, 281658, 289822, 318435, 334410, 424580, 434733, 469430, 512762, 563316, 579644, 636870, 668820, 704145, 724555, 769143, 869466, 938860, 1025524, 1273740, 1281905, 1408290, 1449110, 1538286, 1738932, 2173665, 2563810, 2816580, 2898220, 3076572, 3332953, 3845715, 4347330, 5127620, 6665906, 7691430, 8694660, 9998859, 13331812, 15382860, 16664765, 19997718, 33329530, 39995436, 49994295, 66659060, 99988590, 199977180]

約数ペア:

[(1, 199977180), (2, 99988590), (3, 66659060), (4, 49994295), (5, 39995436), (6, 33329530), (10, 19997718), (12, 16664765), (13, 15382860), (15, 13331812), (20, 9998859), (23, 8694660), (26, 7691430), (30, 6665906), (39, 5127620), (46, 4347330), (52, 3845715), (60, 3332953), (65, 3076572), (69, 2898220), (71, 2816580), (78, 2563810), (92, 2173665), (115, 1738932), (130, 1538286), (138, 1449110), (142, 1408290), (156, 1281905), (157, 1273740), (195, 1025524), (213, 938860), (230, 869466), (260, 769143), (276, 724555), (284, 704145), (299, 668820), (314, 636870), (345, 579644), (355, 563316), (390, 512762), (426, 469430), (460, 434733), (471, 424580), (598, 334410), (628, 318435), (690, 289822), (710, 281658), (780, 256381), (785, 254748), (852, 234715), (897, 222940), (923, 216660), (942, 212290), (1065, 187772), (1196, 167205), (1380, 144911), (1420, 140829), (1495, 133764), (1570, 127374), (1633, 122460), (1794, 111470), (1846, 108330), (1884, 106145), (2041, 97980), (2130, 93886), (2355, 84916), (2769, 72220), (2990, 66882), (3140, 63687), (3266, 61230), (3588, 55735), (3611, 55380), (3692, 54165), (4082, 48990), (4260, 46943), (4485, 44588), (4615, 43332), (4710, 42458), (4899, 40820), (5538, 36110), (5980, 33441), (6123, 32660), (6532, 30615), (7222, 27690), (8164, 24495), (8165, 24492), (8970, 22294), (9230, 21666), (9420, 21229), (9798, 20410), (10205, 19596), (10833, 18460), (11076, 18055), (11147, 17940), (12246, 16330), (13845, 14444)]