339940190

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 647958528

約数和(自身を除く): 308018338

約数列:

[1, 2, 5, 10, 47, 61, 71, 94, 122, 142, 167, 235, 305, 334, 355, 470, 610, 710, 835, 1670, 2867, 3337, 4331, 5734, 6674, 7849, 8662, 10187, 11857, 14335, 15698, 16685, 20374, 21655, 23714, 28670, 33370, 39245, 43310, 50935, 59285, 78490, 101870, 118570, 203557, 407114, 478789, 557279, 723277, 957578, 1017785, 1114558, 1446554, 2035570, 2393945, 2786395, 3616385, 4787890, 5572790, 7232770, 33994019, 67988038, 169970095, 339940190]

約数ペア:

[(1, 339940190), (2, 169970095), (5, 67988038), (10, 33994019), (47, 7232770), (61, 5572790), (71, 4787890), (94, 3616385), (122, 2786395), (142, 2393945), (167, 2035570), (235, 1446554), (305, 1114558), (334, 1017785), (355, 957578), (470, 723277), (610, 557279), (710, 478789), (835, 407114), (1670, 203557), (2867, 118570), (3337, 101870), (4331, 78490), (5734, 59285), (6674, 50935), (7849, 43310), (8662, 39245), (10187, 33370), (11857, 28670), (14335, 23714), (15698, 21655), (16685, 20374)]