440344590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{19597}}^1$

素因数の和:19721

約数の個数: 64

約数和(自身を含む): 1219152384

約数和(自身を除く): 778807794

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1498, 1605, 2247, 3210, 3745, 4494, 7490, 11235, 19597, 22470, 39194, 58791, 97985, 117582, 137179, 195970, 274358, 293955, 411537, 587910, 685895, 823074, 1371790, 2057685, 2096879, 4115370, 4193758, 6290637, 10484395, 12581274, 14678153, 20968790, 29356306, 31453185, 44034459, 62906370, 73390765, 88068918, 146781530, 220172295, 440344590]

約数ペア:

[(1, 440344590), (2, 220172295), (3, 146781530), (5, 88068918), (6, 73390765), (7, 62906370), (10, 44034459), (14, 31453185), (15, 29356306), (21, 20968790), (30, 14678153), (35, 12581274), (42, 10484395), (70, 6290637), (105, 4193758), (107, 4115370), (210, 2096879), (214, 2057685), (321, 1371790), (535, 823074), (642, 685895), (749, 587910), (1070, 411537), (1498, 293955), (1605, 274358), (2247, 195970), (3210, 137179), (3745, 117582), (4494, 97985), (7490, 58791), (11235, 39194), (19597, 22470)]