278422452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 216

約数和(自身を含む): 924862848

約数和(自身を除く): 646440396

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 42, 44, 46, 63, 66, 69, 77, 84, 92, 99, 121, 126, 132, 138, 154, 161, 198, 207, 231, 242, 252, 253, 276, 308, 322, 363, 396, 397, 414, 462, 483, 484, 506, 644, 693, 726, 759, 794, 828, 847, 924, 966, 1012, 1089, 1191, 1386, 1449, 1452, 1518, 1588, 1694, 1771, 1932, 2178, 2277, 2382, 2541, 2772, 2779, 2783, 2898, 3036, 3388, 3542, 3573, 4356, 4367, 4554, 4764, 5082, 5313, 5558, 5566, 5796, 7084, 7146, 7623, 8337, 8349, 8734, 9108, 9131, 10164, 10626, 11116, 11132, 13101, 14292, 15246, 15939, 16674, 16698, 17468, 18262, 19481, 21252, 25011, 25047, 26202, 27393, 30492, 30569, 31878, 33348, 33396, 36524, 38962, 39303, 48037, 50022, 50094, 52404, 54786, 58443, 61138, 63756, 63917, 77924, 78606, 82179, 91707, 96074, 100044, 100188, 100441, 109572, 116886, 122276, 127834, 144111, 157212, 164358, 175329, 183414, 191751, 192148, 200882, 233772, 255668, 275121, 288222, 301323, 328716, 336259, 350658, 366828, 383502, 401764, 432333, 550242, 575253, 576444, 602646, 672518, 701316, 703087, 767004, 864666, 903969, 1008777, 1100484, 1104851, 1150506, 1205292, 1345036, 1406174, 1729332, 1807938, 2017554, 2109261, 2209702, 2301012, 2812348, 3026331, 3314553, 3615876, 4035108, 4218522, 4419404, 6052662, 6327783, 6629106, 7733957, 8437044, 9943659, 12105324, 12655566, 13258212, 15467914, 19887318, 23201871, 25311132, 30935828, 39774636, 46403742, 69605613, 92807484, 139211226, 278422452]

約数ペア:

[(1, 278422452), (2, 139211226), (3, 92807484), (4, 69605613), (6, 46403742), (7, 39774636), (9, 30935828), (11, 25311132), (12, 23201871), (14, 19887318), (18, 15467914), (21, 13258212), (22, 12655566), (23, 12105324), (28, 9943659), (33, 8437044), (36, 7733957), (42, 6629106), (44, 6327783), (46, 6052662), (63, 4419404), (66, 4218522), (69, 4035108), (77, 3615876), (84, 3314553), (92, 3026331), (99, 2812348), (121, 2301012), (126, 2209702), (132, 2109261), (138, 2017554), (154, 1807938), (161, 1729332), (198, 1406174), (207, 1345036), (231, 1205292), (242, 1150506), (252, 1104851), (253, 1100484), (276, 1008777), (308, 903969), (322, 864666), (363, 767004), (396, 703087), (397, 701316), (414, 672518), (462, 602646), (483, 576444), (484, 575253), (506, 550242), (644, 432333), (693, 401764), (726, 383502), (759, 366828), (794, 350658), (828, 336259), (847, 328716), (924, 301323), (966, 288222), (1012, 275121), (1089, 255668), (1191, 233772), (1386, 200882), (1449, 192148), (1452, 191751), (1518, 183414), (1588, 175329), (1694, 164358), (1771, 157212), (1932, 144111), (2178, 127834), (2277, 122276), (2382, 116886), (2541, 109572), (2772, 100441), (2779, 100188), (2783, 100044), (2898, 96074), (3036, 91707), (3388, 82179), (3542, 78606), (3573, 77924), (4356, 63917), (4367, 63756), (4554, 61138), (4764, 58443), (5082, 54786), (5313, 52404), (5558, 50094), (5566, 50022), (5796, 48037), (7084, 39303), (7146, 38962), (7623, 36524), (8337, 33396), (8349, 33348), (8734, 31878), (9108, 30569), (9131, 30492), (10164, 27393), (10626, 26202), (11116, 25047), (11132, 25011), (13101, 21252), (14292, 19481), (15246, 18262), (15939, 17468), (16674, 16698)]