278291290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 533716992

約数和(自身を除く): 255425702

約数列:

[1, 2, 5, 10, 19, 38, 95, 127, 190, 254, 361, 607, 635, 722, 1214, 1270, 1805, 2413, 3035, 3610, 4826, 6070, 11533, 12065, 23066, 24130, 45847, 57665, 77089, 91694, 115330, 154178, 219127, 229235, 385445, 438254, 458470, 770890, 1095635, 1464691, 2191270, 2929382, 7323455, 14646910, 27829129, 55658258, 139145645, 278291290]

約数ペア:

[(1, 278291290), (2, 139145645), (5, 55658258), (10, 27829129), (19, 14646910), (38, 7323455), (95, 2929382), (127, 2191270), (190, 1464691), (254, 1095635), (361, 770890), (607, 458470), (635, 438254), (722, 385445), (1214, 229235), (1270, 219127), (1805, 154178), (2413, 115330), (3035, 91694), (3610, 77089), (4826, 57665), (6070, 45847), (11533, 24130), (12065, 23066)]