290785872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20261}}^1$

素因数の和:20308

約数の個数: 80

約数和(自身を含む): 844195968

約数和(自身を除く): 553410096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 20261, 40522, 60783, 81044, 121566, 162088, 243132, 263393, 324176, 466003, 486264, 526786, 790179, 932006, 972528, 1053572, 1398009, 1580358, 1864012, 2107144, 2796018, 3160716, 3728024, 4214288, 5592036, 6058039, 6321432, 7456048, 11184072, 12116078, 12642864, 18174117, 22368144, 24232156, 36348234, 48464312, 72696468, 96928624, 145392936, 290785872]

約数ペア:

[(1, 290785872), (2, 145392936), (3, 96928624), (4, 72696468), (6, 48464312), (8, 36348234), (12, 24232156), (13, 22368144), (16, 18174117), (23, 12642864), (24, 12116078), (26, 11184072), (39, 7456048), (46, 6321432), (48, 6058039), (52, 5592036), (69, 4214288), (78, 3728024), (92, 3160716), (104, 2796018), (138, 2107144), (156, 1864012), (184, 1580358), (208, 1398009), (276, 1053572), (299, 972528), (312, 932006), (368, 790179), (552, 526786), (598, 486264), (624, 466003), (897, 324176), (1104, 263393), (1196, 243132), (1794, 162088), (2392, 121566), (3588, 81044), (4784, 60783), (7176, 40522), (14352, 20261)]