256137252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 747371520

約数和(自身を除く): 491234268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 76, 84, 93, 114, 124, 133, 167, 186, 217, 228, 266, 334, 372, 399, 434, 501, 532, 589, 651, 668, 798, 868, 961, 1002, 1169, 1178, 1302, 1596, 1767, 1922, 2004, 2338, 2356, 2604, 2883, 3173, 3507, 3534, 3844, 4123, 4676, 5177, 5766, 6346, 6727, 7014, 7068, 8246, 9519, 10354, 11532, 12369, 12692, 13454, 14028, 15531, 16492, 18259, 19038, 20181, 20708, 22211, 24738, 26908, 31062, 36239, 36518, 38076, 40362, 44422, 49476, 54777, 62124, 66633, 72478, 73036, 80724, 88844, 98363, 108717, 109554, 127813, 133266, 144956, 160487, 196726, 217434, 219108, 255626, 266532, 295089, 320974, 383439, 393452, 434868, 481461, 511252, 590178, 641948, 688541, 766878, 962922, 1123409, 1180356, 1377082, 1533756, 1925844, 2065623, 2246818, 2754164, 3049253, 3370227, 4131246, 4493636, 6098506, 6740454, 8262492, 9147759, 12197012, 13480908, 18295518, 21344771, 36591036, 42689542, 64034313, 85379084, 128068626, 256137252]

約数ペア:

[(1, 256137252), (2, 128068626), (3, 85379084), (4, 64034313), (6, 42689542), (7, 36591036), (12, 21344771), (14, 18295518), (19, 13480908), (21, 12197012), (28, 9147759), (31, 8262492), (38, 6740454), (42, 6098506), (57, 4493636), (62, 4131246), (76, 3370227), (84, 3049253), (93, 2754164), (114, 2246818), (124, 2065623), (133, 1925844), (167, 1533756), (186, 1377082), (217, 1180356), (228, 1123409), (266, 962922), (334, 766878), (372, 688541), (399, 641948), (434, 590178), (501, 511252), (532, 481461), (589, 434868), (651, 393452), (668, 383439), (798, 320974), (868, 295089), (961, 266532), (1002, 255626), (1169, 219108), (1178, 217434), (1302, 196726), (1596, 160487), (1767, 144956), (1922, 133266), (2004, 127813), (2338, 109554), (2356, 108717), (2604, 98363), (2883, 88844), (3173, 80724), (3507, 73036), (3534, 72478), (3844, 66633), (4123, 62124), (4676, 54777), (5177, 49476), (5766, 44422), (6346, 40362), (6727, 38076), (7014, 36518), (7068, 36239), (8246, 31062), (9519, 26908), (10354, 24738), (11532, 22211), (12369, 20708), (12692, 20181), (13454, 19038), (14028, 18259), (15531, 16492)]