209551010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2411

約数の個数: 48

約数和(自身を含む): 413786880

約数和(自身を除く): 204235870

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 289, 310, 527, 578, 1054, 1445, 2339, 2635, 2890, 4678, 5270, 8959, 11695, 17918, 23390, 39763, 44795, 72509, 79526, 89590, 145018, 198815, 362545, 397630, 675971, 725090, 1232653, 1351942, 2465306, 3379855, 6163265, 6759710, 12326530, 20955101, 41910202, 104775505, 209551010]

約数ペア:

[(1, 209551010), (2, 104775505), (5, 41910202), (10, 20955101), (17, 12326530), (31, 6759710), (34, 6163265), (62, 3379855), (85, 2465306), (155, 1351942), (170, 1232653), (289, 725090), (310, 675971), (527, 397630), (578, 362545), (1054, 198815), (1445, 145018), (2339, 89590), (2635, 79526), (2890, 72509), (4678, 44795), (5270, 39763), (8959, 23390), (11695, 17918)]