286807040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 176

約数和(自身を含む): 770327040

約数和(自身を除く): 483520000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 139, 155, 160, 208, 248, 256, 260, 278, 310, 320, 403, 416, 496, 512, 520, 556, 620, 640, 695, 806, 832, 992, 1024, 1040, 1112, 1240, 1280, 1390, 1612, 1664, 1807, 1984, 2015, 2080, 2224, 2480, 2560, 2780, 3224, 3328, 3614, 3968, 4030, 4160, 4309, 4448, 4960, 5120, 5560, 6448, 6656, 7228, 7936, 8060, 8320, 8618, 8896, 9035, 9920, 11120, 12896, 13312, 14456, 15872, 16120, 16640, 17236, 17792, 18070, 19840, 21545, 22240, 25792, 28912, 31744, 32240, 33280, 34472, 35584, 36140, 39680, 43090, 44480, 51584, 56017, 57824, 64480, 66560, 68944, 71168, 72280, 79360, 86180, 88960, 103168, 112034, 115648, 128960, 137888, 142336, 144560, 158720, 172360, 177920, 206336, 224068, 231296, 257920, 275776, 280085, 289120, 344720, 355840, 412672, 448136, 462592, 515840, 551552, 560170, 578240, 689440, 711680, 896272, 925184, 1031680, 1103104, 1120340, 1156480, 1378880, 1792544, 1850368, 2063360, 2206208, 2240680, 2312960, 2757760, 3585088, 4412416, 4481360, 4625920, 5515520, 7170176, 8962720, 9251840, 11031040, 14340352, 17925440, 22062080, 28680704, 35850880, 57361408, 71701760, 143403520, 286807040]

約数ペア:

[(1, 286807040), (2, 143403520), (4, 71701760), (5, 57361408), (8, 35850880), (10, 28680704), (13, 22062080), (16, 17925440), (20, 14340352), (26, 11031040), (31, 9251840), (32, 8962720), (40, 7170176), (52, 5515520), (62, 4625920), (64, 4481360), (65, 4412416), (80, 3585088), (104, 2757760), (124, 2312960), (128, 2240680), (130, 2206208), (139, 2063360), (155, 1850368), (160, 1792544), (208, 1378880), (248, 1156480), (256, 1120340), (260, 1103104), (278, 1031680), (310, 925184), (320, 896272), (403, 711680), (416, 689440), (496, 578240), (512, 560170), (520, 551552), (556, 515840), (620, 462592), (640, 448136), (695, 412672), (806, 355840), (832, 344720), (992, 289120), (1024, 280085), (1040, 275776), (1112, 257920), (1240, 231296), (1280, 224068), (1390, 206336), (1612, 177920), (1664, 172360), (1807, 158720), (1984, 144560), (2015, 142336), (2080, 137888), (2224, 128960), (2480, 115648), (2560, 112034), (2780, 103168), (3224, 88960), (3328, 86180), (3614, 79360), (3968, 72280), (4030, 71168), (4160, 68944), (4309, 66560), (4448, 64480), (4960, 57824), (5120, 56017), (5560, 51584), (6448, 44480), (6656, 43090), (7228, 39680), (7936, 36140), (8060, 35584), (8320, 34472), (8618, 33280), (8896, 32240), (9035, 31744), (9920, 28912), (11120, 25792), (12896, 22240), (13312, 21545), (14456, 19840), (15872, 18070), (16120, 17792), (16640, 17236)]