278329936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 594158400

約数和(自身を除く): 315828464

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 131, 152, 232, 241, 262, 304, 464, 482, 524, 551, 964, 1048, 1102, 1928, 2096, 2204, 2489, 3799, 3856, 4408, 4579, 4978, 6989, 7598, 8816, 9158, 9956, 13978, 15196, 18316, 19912, 27956, 30392, 31571, 36632, 39824, 55912, 60784, 63142, 72181, 73264, 111824, 126284, 132791, 144362, 252568, 265582, 288724, 505136, 531164, 577448, 599849, 915559, 1062328, 1154896, 1199698, 1831118, 2124656, 2399396, 3662236, 4798792, 7324472, 9597584, 14648944, 17395621, 34791242, 69582484, 139164968, 278329936]

約数ペア:

[(1, 278329936), (2, 139164968), (4, 69582484), (8, 34791242), (16, 17395621), (19, 14648944), (29, 9597584), (38, 7324472), (58, 4798792), (76, 3662236), (116, 2399396), (131, 2124656), (152, 1831118), (232, 1199698), (241, 1154896), (262, 1062328), (304, 915559), (464, 599849), (482, 577448), (524, 531164), (551, 505136), (964, 288724), (1048, 265582), (1102, 252568), (1928, 144362), (2096, 132791), (2204, 126284), (2489, 111824), (3799, 73264), (3856, 72181), (4408, 63142), (4579, 60784), (4978, 55912), (6989, 39824), (7598, 36632), (8816, 31571), (9158, 30392), (9956, 27956), (13978, 19912), (15196, 18316)]