280202348

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 526848000

約数和(自身を除く): 246645652

約数列:

[1, 2, 4, 19, 38, 76, 97, 191, 194, 199, 382, 388, 398, 764, 796, 1843, 3629, 3686, 3781, 7258, 7372, 7562, 14516, 15124, 18527, 19303, 37054, 38009, 38606, 74108, 76018, 77212, 152036, 352013, 366757, 704026, 722171, 733514, 1408052, 1444342, 1467028, 2888684, 3686873, 7373746, 14747492, 70050587, 140101174, 280202348]

約数ペア:

[(1, 280202348), (2, 140101174), (4, 70050587), (19, 14747492), (38, 7373746), (76, 3686873), (97, 2888684), (191, 1467028), (194, 1444342), (199, 1408052), (382, 733514), (388, 722171), (398, 704026), (764, 366757), (796, 352013), (1843, 152036), (3629, 77212), (3686, 76018), (3781, 74108), (7258, 38606), (7372, 38009), (7562, 37054), (14516, 19303), (15124, 18527)]