291464740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 757959552

約数和(自身を除く): 466494812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 67, 70, 92, 98, 115, 134, 140, 161, 193, 196, 230, 245, 268, 322, 335, 386, 460, 469, 490, 644, 670, 772, 805, 938, 965, 980, 1127, 1340, 1351, 1541, 1610, 1876, 1930, 2254, 2345, 2702, 3082, 3220, 3283, 3860, 4439, 4508, 4690, 5404, 5635, 6164, 6566, 6755, 7705, 8878, 9380, 9457, 10787, 11270, 12931, 13132, 13510, 15410, 16415, 17756, 18914, 21574, 22195, 22540, 25862, 27020, 30820, 31073, 32830, 37828, 43148, 44390, 47285, 51724, 53935, 62146, 64655, 65660, 75509, 88780, 90517, 94570, 107870, 124292, 129310, 151018, 155365, 181034, 189140, 215740, 217511, 258620, 297413, 302036, 310730, 362068, 377545, 435022, 452585, 594826, 621460, 633619, 755090, 870044, 905170, 1087555, 1189652, 1267238, 1487065, 1510180, 1810340, 2081891, 2175110, 2534476, 2974130, 3168095, 4163782, 4350220, 5948260, 6336190, 8327564, 10409455, 12672380, 14573237, 20818910, 29146474, 41637820, 58292948, 72866185, 145732370, 291464740]

約数ペア:

[(1, 291464740), (2, 145732370), (4, 72866185), (5, 58292948), (7, 41637820), (10, 29146474), (14, 20818910), (20, 14573237), (23, 12672380), (28, 10409455), (35, 8327564), (46, 6336190), (49, 5948260), (67, 4350220), (70, 4163782), (92, 3168095), (98, 2974130), (115, 2534476), (134, 2175110), (140, 2081891), (161, 1810340), (193, 1510180), (196, 1487065), (230, 1267238), (245, 1189652), (268, 1087555), (322, 905170), (335, 870044), (386, 755090), (460, 633619), (469, 621460), (490, 594826), (644, 452585), (670, 435022), (772, 377545), (805, 362068), (938, 310730), (965, 302036), (980, 297413), (1127, 258620), (1340, 217511), (1351, 215740), (1541, 189140), (1610, 181034), (1876, 155365), (1930, 151018), (2254, 129310), (2345, 124292), (2702, 107870), (3082, 94570), (3220, 90517), (3283, 88780), (3860, 75509), (4439, 65660), (4508, 64655), (4690, 62146), (5404, 53935), (5635, 51724), (6164, 47285), (6566, 44390), (6755, 43148), (7705, 37828), (8878, 32830), (9380, 31073), (9457, 30820), (10787, 27020), (11270, 25862), (12931, 22540), (13132, 22195), (13510, 21574), (15410, 18914), (16415, 17756)]