280140256

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41887}}^1$

素因数の和:41927

約数の個数: 48

約数和(自身を含む): 633346560

約数和(自身を除く): 353206304

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3344, 6688, 41887, 83774, 167548, 335096, 460757, 670192, 795853, 921514, 1340384, 1591706, 1843028, 3183412, 3686056, 6366824, 7372112, 8754383, 12733648, 14744224, 17508766, 25467296, 35017532, 70035064, 140070128, 280140256]

約数ペア:

[(1, 280140256), (2, 140070128), (4, 70035064), (8, 35017532), (11, 25467296), (16, 17508766), (19, 14744224), (22, 12733648), (32, 8754383), (38, 7372112), (44, 6366824), (76, 3686056), (88, 3183412), (152, 1843028), (176, 1591706), (209, 1340384), (304, 921514), (352, 795853), (418, 670192), (608, 460757), (836, 335096), (1672, 167548), (3344, 83774), (6688, 41887)]