278292012

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 690774336

約数和(自身を除く): 412482324

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 227, 228, 283, 361, 454, 566, 681, 722, 849, 908, 1083, 1132, 1362, 1444, 1698, 2166, 2724, 3396, 4313, 4332, 5377, 8626, 10754, 12939, 16131, 17252, 21508, 25878, 32262, 51756, 64241, 64524, 81947, 102163, 128482, 163894, 192723, 204326, 245841, 256964, 306489, 327788, 385446, 408652, 491682, 612978, 770892, 983364, 1220579, 1225956, 2441158, 3661737, 4882316, 7323474, 14646948, 23191001, 46382002, 69573003, 92764004, 139146006, 278292012]

約数ペア:

[(1, 278292012), (2, 139146006), (3, 92764004), (4, 69573003), (6, 46382002), (12, 23191001), (19, 14646948), (38, 7323474), (57, 4882316), (76, 3661737), (114, 2441158), (227, 1225956), (228, 1220579), (283, 983364), (361, 770892), (454, 612978), (566, 491682), (681, 408652), (722, 385446), (849, 327788), (908, 306489), (1083, 256964), (1132, 245841), (1362, 204326), (1444, 192723), (1698, 163894), (2166, 128482), (2724, 102163), (3396, 81947), (4313, 64524), (4332, 64241), (5377, 51756), (8626, 32262), (10754, 25878), (12939, 21508), (16131, 17252)]