212407040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 540400896

約数和(自身を除く): 327993856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 101, 106, 124, 128, 155, 160, 202, 212, 248, 256, 265, 310, 320, 404, 424, 496, 505, 530, 620, 640, 808, 848, 992, 1010, 1060, 1240, 1280, 1616, 1643, 1696, 1984, 2020, 2120, 2480, 3131, 3232, 3286, 3392, 3968, 4040, 4240, 4960, 5353, 6262, 6464, 6572, 6784, 7936, 8080, 8215, 8480, 9920, 10706, 12524, 12928, 13144, 13568, 15655, 16160, 16430, 16960, 19840, 21412, 25048, 25856, 26288, 26765, 31310, 32320, 32860, 33920, 39680, 42824, 50096, 52576, 53530, 62620, 64640, 65720, 67840, 85648, 100192, 105152, 107060, 125240, 129280, 131440, 165943, 171296, 200384, 210304, 214120, 250480, 262880, 331886, 342592, 400768, 420608, 428240, 500960, 525760, 663772, 685184, 801536, 829715, 856480, 1001920, 1051520, 1327544, 1370368, 1659430, 1712960, 2003840, 2103040, 2655088, 3318860, 3425920, 4007680, 5310176, 6637720, 6851840, 10620352, 13275440, 21240704, 26550880, 42481408, 53101760, 106203520, 212407040]

約数ペア:

[(1, 212407040), (2, 106203520), (4, 53101760), (5, 42481408), (8, 26550880), (10, 21240704), (16, 13275440), (20, 10620352), (31, 6851840), (32, 6637720), (40, 5310176), (53, 4007680), (62, 3425920), (64, 3318860), (80, 2655088), (101, 2103040), (106, 2003840), (124, 1712960), (128, 1659430), (155, 1370368), (160, 1327544), (202, 1051520), (212, 1001920), (248, 856480), (256, 829715), (265, 801536), (310, 685184), (320, 663772), (404, 525760), (424, 500960), (496, 428240), (505, 420608), (530, 400768), (620, 342592), (640, 331886), (808, 262880), (848, 250480), (992, 214120), (1010, 210304), (1060, 200384), (1240, 171296), (1280, 165943), (1616, 131440), (1643, 129280), (1696, 125240), (1984, 107060), (2020, 105152), (2120, 100192), (2480, 85648), (3131, 67840), (3232, 65720), (3286, 64640), (3392, 62620), (3968, 53530), (4040, 52576), (4240, 50096), (4960, 42824), (5353, 39680), (6262, 33920), (6464, 32860), (6572, 32320), (6784, 31310), (7936, 26765), (8080, 26288), (8215, 25856), (8480, 25048), (9920, 21412), (10706, 19840), (12524, 16960), (12928, 16430), (13144, 16160), (13568, 15655)]