278344604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2221}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 548745120

約数和(自身を除く): 270400516

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 97, 194, 323, 388, 646, 1292, 1649, 1843, 2221, 3298, 3686, 4442, 6596, 7372, 8884, 31331, 37757, 42199, 62662, 75514, 84398, 125324, 151028, 168796, 215437, 430874, 717383, 861748, 1434766, 2869532, 3662429, 4093303, 7324858, 8186606, 14649716, 16373212, 69586151, 139172302, 278344604]

約数ペア:

[(1, 278344604), (2, 139172302), (4, 69586151), (17, 16373212), (19, 14649716), (34, 8186606), (38, 7324858), (68, 4093303), (76, 3662429), (97, 2869532), (194, 1434766), (323, 861748), (388, 717383), (646, 430874), (1292, 215437), (1649, 168796), (1843, 151028), (2221, 125324), (3298, 84398), (3686, 75514), (4442, 62662), (6596, 42199), (7372, 37757), (8884, 31331)]