256829916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 774144000

約数和(自身を除く): 517314084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 31, 38, 42, 57, 58, 62, 76, 84, 87, 93, 114, 116, 124, 133, 174, 179, 186, 203, 217, 228, 266, 348, 358, 372, 399, 406, 434, 532, 537, 551, 589, 609, 651, 716, 798, 812, 868, 899, 1074, 1102, 1178, 1218, 1253, 1302, 1596, 1653, 1767, 1798, 2148, 2204, 2356, 2436, 2506, 2604, 2697, 3306, 3401, 3534, 3596, 3759, 3857, 4123, 5012, 5191, 5394, 5549, 6293, 6612, 6802, 7068, 7518, 7714, 8246, 10203, 10382, 10788, 11098, 11571, 12369, 12586, 13604, 15036, 15428, 15573, 16492, 16647, 17081, 18879, 20406, 20764, 22196, 23142, 23807, 24738, 25172, 31146, 33294, 34162, 36337, 37758, 38843, 40812, 46284, 47614, 49476, 51243, 62292, 66588, 68324, 71421, 72674, 75516, 77686, 95228, 98629, 102486, 105431, 109011, 116529, 119567, 142842, 145348, 155372, 160921, 197258, 204972, 210862, 218022, 233058, 239134, 285684, 295887, 316293, 321842, 358701, 394516, 421724, 436044, 466116, 478268, 482763, 591774, 632586, 643684, 690403, 717402, 738017, 965526, 1126447, 1183548, 1265172, 1380806, 1434804, 1476034, 1931052, 2071209, 2214051, 2252894, 2761612, 2952068, 3057499, 3379341, 4142418, 4428102, 4505788, 6114998, 6758682, 8284836, 8856204, 9172497, 12229996, 13517364, 18344994, 21402493, 36689988, 42804986, 64207479, 85609972, 128414958, 256829916]

約数ペア:

[(1, 256829916), (2, 128414958), (3, 85609972), (4, 64207479), (6, 42804986), (7, 36689988), (12, 21402493), (14, 18344994), (19, 13517364), (21, 12229996), (28, 9172497), (29, 8856204), (31, 8284836), (38, 6758682), (42, 6114998), (57, 4505788), (58, 4428102), (62, 4142418), (76, 3379341), (84, 3057499), (87, 2952068), (93, 2761612), (114, 2252894), (116, 2214051), (124, 2071209), (133, 1931052), (174, 1476034), (179, 1434804), (186, 1380806), (203, 1265172), (217, 1183548), (228, 1126447), (266, 965526), (348, 738017), (358, 717402), (372, 690403), (399, 643684), (406, 632586), (434, 591774), (532, 482763), (537, 478268), (551, 466116), (589, 436044), (609, 421724), (651, 394516), (716, 358701), (798, 321842), (812, 316293), (868, 295887), (899, 285684), (1074, 239134), (1102, 233058), (1178, 218022), (1218, 210862), (1253, 204972), (1302, 197258), (1596, 160921), (1653, 155372), (1767, 145348), (1798, 142842), (2148, 119567), (2204, 116529), (2356, 109011), (2436, 105431), (2506, 102486), (2604, 98629), (2697, 95228), (3306, 77686), (3401, 75516), (3534, 72674), (3596, 71421), (3759, 68324), (3857, 66588), (4123, 62292), (5012, 51243), (5191, 49476), (5394, 47614), (5549, 46284), (6293, 40812), (6612, 38843), (6802, 37758), (7068, 36337), (7518, 34162), (7714, 33294), (8246, 31146), (10203, 25172), (10382, 24738), (10788, 23807), (11098, 23142), (11571, 22196), (12369, 20764), (12586, 20406), (13604, 18879), (15036, 17081), (15428, 16647), (15573, 16492)]