1721000950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{28517}}^1$

素因数の和:28617

約数の個数: 48

約数和(自身を含む): 3437217504

約数和(自身を除く): 1716216554

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 142, 170, 355, 425, 710, 850, 1207, 1775, 2414, 3550, 6035, 12070, 28517, 30175, 57034, 60350, 142585, 285170, 484789, 712925, 969578, 1425850, 2024707, 2423945, 4049414, 4847890, 10123535, 12119725, 20247070, 24239450, 34420019, 50617675, 68840038, 101235350, 172100095, 344200190, 860500475, 1721000950]

約数ペア:

[(1, 1721000950), (2, 860500475), (5, 344200190), (10, 172100095), (17, 101235350), (25, 68840038), (34, 50617675), (50, 34420019), (71, 24239450), (85, 20247070), (142, 12119725), (170, 10123535), (355, 4847890), (425, 4049414), (710, 2423945), (850, 2024707), (1207, 1425850), (1775, 969578), (2414, 712925), (3550, 484789), (6035, 285170), (12070, 142585), (28517, 60350), (30175, 57034)]