1638520010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2039}}^1$

素因数の和:2255

約数の個数: 64

約数和(自身を含む): 3251923200

約数和(自身を除く): 1613403190

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 163, 170, 290, 326, 493, 815, 986, 1630, 2039, 2465, 2771, 4078, 4727, 4930, 5542, 9454, 10195, 13855, 20390, 23635, 27710, 34663, 47270, 59131, 69326, 80359, 118262, 160718, 173315, 295655, 332357, 346630, 401795, 591310, 664714, 803590, 1005227, 1661785, 2010454, 3323570, 5026135, 5650069, 9638353, 10052270, 11300138, 19276706, 28250345, 48191765, 56500690, 96383530, 163852001, 327704002, 819260005, 1638520010]

約数ペア:

[(1, 1638520010), (2, 819260005), (5, 327704002), (10, 163852001), (17, 96383530), (29, 56500690), (34, 48191765), (58, 28250345), (85, 19276706), (145, 11300138), (163, 10052270), (170, 9638353), (290, 5650069), (326, 5026135), (493, 3323570), (815, 2010454), (986, 1661785), (1630, 1005227), (2039, 803590), (2465, 664714), (2771, 591310), (4078, 401795), (4727, 346630), (4930, 332357), (5542, 295655), (9454, 173315), (10195, 160718), (13855, 118262), (20390, 80359), (23635, 69326), (27710, 59131), (34663, 47270)]