278899056

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 809469024

約数和(自身を除く): 530569968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 97, 123, 144, 164, 194, 246, 291, 328, 369, 388, 487, 492, 582, 656, 738, 776, 873, 974, 984, 1164, 1461, 1476, 1552, 1746, 1948, 1968, 2328, 2922, 2952, 3492, 3896, 3977, 4383, 4656, 5844, 5904, 6984, 7792, 7954, 8766, 11688, 11931, 13968, 15908, 17532, 19967, 23376, 23862, 31816, 35064, 35793, 39934, 47239, 47724, 59901, 63632, 70128, 71586, 79868, 94478, 95448, 119802, 141717, 143172, 159736, 179703, 188956, 190896, 239604, 283434, 286344, 319472, 359406, 377912, 425151, 479208, 566868, 572688, 718812, 755824, 850302, 958416, 1133736, 1437624, 1700604, 1936799, 2267472, 2875248, 3401208, 3873598, 5810397, 6802416, 7747196, 11620794, 15494392, 17431191, 23241588, 30988784, 34862382, 46483176, 69724764, 92966352, 139449528, 278899056]

約数ペア:

[(1, 278899056), (2, 139449528), (3, 92966352), (4, 69724764), (6, 46483176), (8, 34862382), (9, 30988784), (12, 23241588), (16, 17431191), (18, 15494392), (24, 11620794), (36, 7747196), (41, 6802416), (48, 5810397), (72, 3873598), (82, 3401208), (97, 2875248), (123, 2267472), (144, 1936799), (164, 1700604), (194, 1437624), (246, 1133736), (291, 958416), (328, 850302), (369, 755824), (388, 718812), (487, 572688), (492, 566868), (582, 479208), (656, 425151), (738, 377912), (776, 359406), (873, 319472), (974, 286344), (984, 283434), (1164, 239604), (1461, 190896), (1476, 188956), (1552, 179703), (1746, 159736), (1948, 143172), (1968, 141717), (2328, 119802), (2922, 95448), (2952, 94478), (3492, 79868), (3896, 71586), (3977, 70128), (4383, 63632), (4656, 59901), (5844, 47724), (5904, 47239), (6984, 39934), (7792, 35793), (7954, 35064), (8766, 31816), (11688, 23862), (11931, 23376), (13968, 19967), (15908, 17532)]