7540910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 15966720

約数和(自身を除く): 8425810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 71, 86, 95, 130, 142, 190, 215, 247, 355, 430, 494, 559, 710, 817, 923, 1118, 1235, 1349, 1634, 1846, 2470, 2698, 2795, 3053, 4085, 4615, 5590, 6106, 6745, 8170, 9230, 10621, 13490, 15265, 17537, 21242, 30530, 35074, 39689, 53105, 58007, 79378, 87685, 106210, 116014, 175370, 198445, 290035, 396890, 580070, 754091, 1508182, 3770455, 7540910]

約数ペア:

[(1, 7540910), (2, 3770455), (5, 1508182), (10, 754091), (13, 580070), (19, 396890), (26, 290035), (38, 198445), (43, 175370), (65, 116014), (71, 106210), (86, 87685), (95, 79378), (130, 58007), (142, 53105), (190, 39689), (215, 35074), (247, 30530), (355, 21242), (430, 17537), (494, 15265), (559, 13490), (710, 10621), (817, 9230), (923, 8170), (1118, 6745), (1235, 6106), (1349, 5590), (1634, 4615), (1846, 4085), (2470, 3053), (2698, 2795)]