2468740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 5633712

約数和(自身を除く): 3164972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 137, 170, 212, 265, 274, 340, 530, 548, 685, 901, 1060, 1370, 1802, 2329, 2740, 3604, 4505, 4658, 7261, 9010, 9316, 11645, 14522, 18020, 23290, 29044, 36305, 46580, 72610, 123437, 145220, 246874, 493748, 617185, 1234370, 2468740]

約数ペア:

[(1, 2468740), (2, 1234370), (4, 617185), (5, 493748), (10, 246874), (17, 145220), (20, 123437), (34, 72610), (53, 46580), (68, 36305), (85, 29044), (106, 23290), (137, 18020), (170, 14522), (212, 11645), (265, 9316), (274, 9010), (340, 7261), (530, 4658), (548, 4505), (685, 3604), (901, 2740), (1060, 2329), (1370, 1802)]