217408000

素因数分解:

$2^9\times 5^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 561749760

約数和(自身を除く): 344341760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 79, 80, 86, 100, 125, 128, 158, 160, 172, 200, 215, 250, 256, 316, 320, 344, 395, 400, 430, 500, 512, 632, 640, 688, 790, 800, 860, 1000, 1075, 1264, 1280, 1376, 1580, 1600, 1720, 1975, 2000, 2150, 2528, 2560, 2752, 3160, 3200, 3397, 3440, 3950, 4000, 4300, 5056, 5375, 5504, 6320, 6400, 6794, 6880, 7900, 8000, 8600, 9875, 10112, 10750, 11008, 12640, 12800, 13588, 13760, 15800, 16000, 16985, 17200, 19750, 20224, 21500, 22016, 25280, 27176, 27520, 31600, 32000, 33970, 34400, 39500, 40448, 43000, 50560, 54352, 55040, 63200, 64000, 67940, 68800, 79000, 84925, 86000, 101120, 108704, 110080, 126400, 135880, 137600, 158000, 169850, 172000, 202240, 217408, 252800, 271760, 275200, 316000, 339700, 344000, 424625, 434816, 505600, 543520, 550400, 632000, 679400, 688000, 849250, 869632, 1011200, 1087040, 1264000, 1358800, 1376000, 1698500, 1739264, 2174080, 2528000, 2717600, 2752000, 3397000, 4348160, 5056000, 5435200, 6794000, 8696320, 10870400, 13588000, 21740800, 27176000, 43481600, 54352000, 108704000, 217408000]

約数ペア:

[(1, 217408000), (2, 108704000), (4, 54352000), (5, 43481600), (8, 27176000), (10, 21740800), (16, 13588000), (20, 10870400), (25, 8696320), (32, 6794000), (40, 5435200), (43, 5056000), (50, 4348160), (64, 3397000), (79, 2752000), (80, 2717600), (86, 2528000), (100, 2174080), (125, 1739264), (128, 1698500), (158, 1376000), (160, 1358800), (172, 1264000), (200, 1087040), (215, 1011200), (250, 869632), (256, 849250), (316, 688000), (320, 679400), (344, 632000), (395, 550400), (400, 543520), (430, 505600), (500, 434816), (512, 424625), (632, 344000), (640, 339700), (688, 316000), (790, 275200), (800, 271760), (860, 252800), (1000, 217408), (1075, 202240), (1264, 172000), (1280, 169850), (1376, 158000), (1580, 137600), (1600, 135880), (1720, 126400), (1975, 110080), (2000, 108704), (2150, 101120), (2528, 86000), (2560, 84925), (2752, 79000), (3160, 68800), (3200, 67940), (3397, 64000), (3440, 63200), (3950, 55040), (4000, 54352), (4300, 50560), (5056, 43000), (5375, 40448), (5504, 39500), (6320, 34400), (6400, 33970), (6794, 32000), (6880, 31600), (7900, 27520), (8000, 27176), (8600, 25280), (9875, 22016), (10112, 21500), (10750, 20224), (11008, 19750), (12640, 17200), (12800, 16985), (13588, 16000), (13760, 15800)]