211018920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1097}}^1$

素因数の和:1347

約数の個数: 128

約数和(自身を含む): 727315200

約数和(自身を除く): 516296280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 229, 280, 420, 458, 687, 840, 916, 1097, 1145, 1374, 1603, 1832, 2194, 2290, 2748, 3206, 3291, 3435, 4388, 4580, 4809, 5485, 5496, 6412, 6582, 6870, 7679, 8015, 8776, 9160, 9618, 10970, 12824, 13164, 13740, 15358, 16030, 16455, 19236, 21940, 23037, 24045, 26328, 27480, 30716, 32060, 32910, 38395, 38472, 43880, 46074, 48090, 61432, 64120, 65820, 76790, 92148, 96180, 115185, 131640, 153580, 184296, 192360, 230370, 251213, 307160, 460740, 502426, 753639, 921480, 1004852, 1256065, 1507278, 1758491, 2009704, 2512130, 3014556, 3516982, 3768195, 5024260, 5275473, 6029112, 7033964, 7536390, 8792455, 10048520, 10550946, 14067928, 15072780, 17584910, 21101892, 26377365, 30145560, 35169820, 42203784, 52754730, 70339640, 105509460, 211018920]

約数ペア:

[(1, 211018920), (2, 105509460), (3, 70339640), (4, 52754730), (5, 42203784), (6, 35169820), (7, 30145560), (8, 26377365), (10, 21101892), (12, 17584910), (14, 15072780), (15, 14067928), (20, 10550946), (21, 10048520), (24, 8792455), (28, 7536390), (30, 7033964), (35, 6029112), (40, 5275473), (42, 5024260), (56, 3768195), (60, 3516982), (70, 3014556), (84, 2512130), (105, 2009704), (120, 1758491), (140, 1507278), (168, 1256065), (210, 1004852), (229, 921480), (280, 753639), (420, 502426), (458, 460740), (687, 307160), (840, 251213), (916, 230370), (1097, 192360), (1145, 184296), (1374, 153580), (1603, 131640), (1832, 115185), (2194, 96180), (2290, 92148), (2748, 76790), (3206, 65820), (3291, 64120), (3435, 61432), (4388, 48090), (4580, 46074), (4809, 43880), (5485, 38472), (5496, 38395), (6412, 32910), (6582, 32060), (6870, 30716), (7679, 27480), (8015, 26328), (8776, 24045), (9160, 23037), (9618, 21940), (10970, 19236), (12824, 16455), (13164, 16030), (13740, 15358)]