2098991105

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 2785104000

約数和(自身を除く): 686112895

約数列:

[1, 5, 17, 41, 71, 85, 205, 289, 355, 499, 697, 1207, 1445, 2495, 2911, 3485, 6035, 8483, 11849, 14555, 20459, 20519, 35429, 42415, 49487, 59245, 102295, 102595, 144211, 177145, 247435, 347803, 602293, 721055, 841279, 1452589, 1739015, 3011465, 4206395, 5912651, 7262945, 10238981, 24694013, 29563255, 51194905, 123470065, 419798221, 2098991105]

約数ペア:

[(1, 2098991105), (5, 419798221), (17, 123470065), (41, 51194905), (71, 29563255), (85, 24694013), (205, 10238981), (289, 7262945), (355, 5912651), (499, 4206395), (697, 3011465), (1207, 1739015), (1445, 1452589), (2495, 841279), (2911, 721055), (3485, 602293), (6035, 347803), (8483, 247435), (11849, 177145), (14555, 144211), (20459, 102595), (20519, 102295), (35429, 59245), (42415, 49487)]