255919356

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 216

約数和(自身を含む): 835314480

約数和(自身を除く): 579395124

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 109, 121, 126, 132, 147, 154, 196, 198, 218, 231, 242, 252, 294, 308, 327, 363, 396, 436, 441, 462, 484, 539, 588, 654, 693, 726, 763, 847, 882, 924, 981, 1078, 1089, 1199, 1308, 1331, 1386, 1452, 1526, 1617, 1694, 1764, 1962, 2156, 2178, 2289, 2398, 2541, 2662, 2772, 3052, 3234, 3388, 3597, 3924, 3993, 4356, 4578, 4796, 4851, 5082, 5324, 5341, 5929, 6468, 6867, 7194, 7623, 7986, 8393, 9156, 9317, 9702, 10164, 10682, 10791, 11858, 11979, 13189, 13734, 14388, 15246, 15972, 16023, 16786, 17787, 18634, 19404, 21364, 21582, 23716, 23958, 25179, 26378, 27468, 27951, 30492, 32046, 33572, 35574, 37268, 39567, 43164, 47916, 48069, 50358, 52756, 53361, 55902, 58751, 64092, 65219, 71148, 75537, 79134, 83853, 92323, 96138, 100716, 106722, 111804, 117502, 118701, 130438, 145079, 151074, 158268, 167706, 176253, 184646, 192276, 195657, 213444, 235004, 237402, 260876, 276969, 290158, 302148, 335412, 352506, 369292, 391314, 435237, 474804, 528759, 553938, 580316, 586971, 646261, 705012, 782628, 830907, 870474, 1015553, 1057518, 1107876, 1173942, 1292522, 1305711, 1661814, 1740948, 1938783, 2031106, 2115036, 2347884, 2585044, 2611422, 3046659, 3323628, 3877566, 4062212, 5222844, 5816349, 6093318, 7108871, 7755132, 9139977, 11632698, 12186636, 14217742, 18279954, 21326613, 23265396, 28435484, 36559908, 42653226, 63979839, 85306452, 127959678, 255919356]

約数ペア:

[(1, 255919356), (2, 127959678), (3, 85306452), (4, 63979839), (6, 42653226), (7, 36559908), (9, 28435484), (11, 23265396), (12, 21326613), (14, 18279954), (18, 14217742), (21, 12186636), (22, 11632698), (28, 9139977), (33, 7755132), (36, 7108871), (42, 6093318), (44, 5816349), (49, 5222844), (63, 4062212), (66, 3877566), (77, 3323628), (84, 3046659), (98, 2611422), (99, 2585044), (109, 2347884), (121, 2115036), (126, 2031106), (132, 1938783), (147, 1740948), (154, 1661814), (196, 1305711), (198, 1292522), (218, 1173942), (231, 1107876), (242, 1057518), (252, 1015553), (294, 870474), (308, 830907), (327, 782628), (363, 705012), (396, 646261), (436, 586971), (441, 580316), (462, 553938), (484, 528759), (539, 474804), (588, 435237), (654, 391314), (693, 369292), (726, 352506), (763, 335412), (847, 302148), (882, 290158), (924, 276969), (981, 260876), (1078, 237402), (1089, 235004), (1199, 213444), (1308, 195657), (1331, 192276), (1386, 184646), (1452, 176253), (1526, 167706), (1617, 158268), (1694, 151074), (1764, 145079), (1962, 130438), (2156, 118701), (2178, 117502), (2289, 111804), (2398, 106722), (2541, 100716), (2662, 96138), (2772, 92323), (3052, 83853), (3234, 79134), (3388, 75537), (3597, 71148), (3924, 65219), (3993, 64092), (4356, 58751), (4578, 55902), (4796, 53361), (4851, 52756), (5082, 50358), (5324, 48069), (5341, 47916), (5929, 43164), (6468, 39567), (6867, 37268), (7194, 35574), (7623, 33572), (7986, 32046), (8393, 30492), (9156, 27951), (9317, 27468), (9702, 26378), (10164, 25179), (10682, 23958), (10791, 23716), (11858, 21582), (11979, 21364), (13189, 19404), (13734, 18634), (14388, 17787), (15246, 16786), (15972, 16023)]