65143210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 71714390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 142, 190, 209, 355, 418, 439, 710, 781, 878, 1045, 1349, 1562, 2090, 2195, 2698, 3905, 4390, 4829, 6745, 7810, 8341, 9658, 13490, 14839, 16682, 24145, 29678, 31169, 41705, 48290, 62338, 74195, 83410, 91751, 148390, 155845, 183502, 311690, 342859, 458755, 592211, 685718, 917510, 1184422, 1714295, 2961055, 3428590, 5922110, 6514321, 13028642, 32571605, 65143210]

約数ペア:

[(1, 65143210), (2, 32571605), (5, 13028642), (10, 6514321), (11, 5922110), (19, 3428590), (22, 2961055), (38, 1714295), (55, 1184422), (71, 917510), (95, 685718), (110, 592211), (142, 458755), (190, 342859), (209, 311690), (355, 183502), (418, 155845), (439, 148390), (710, 91751), (781, 83410), (878, 74195), (1045, 62338), (1349, 48290), (1562, 41705), (2090, 31169), (2195, 29678), (2698, 24145), (3905, 16682), (4390, 14839), (4829, 13490), (6745, 9658), (7810, 8341)]