261013750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 80

約数和(自身を含む): 528355872

約数和(自身を除く): 267342122

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 125, 142, 170, 173, 250, 346, 355, 425, 625, 710, 850, 865, 1207, 1250, 1730, 1775, 2125, 2414, 2941, 3550, 4250, 4325, 5882, 6035, 8650, 8875, 10625, 12070, 12283, 14705, 17750, 21250, 21625, 24566, 29410, 30175, 43250, 44375, 60350, 61415, 73525, 88750, 108125, 122830, 147050, 150875, 208811, 216250, 301750, 307075, 367625, 417622, 614150, 735250, 754375, 1044055, 1508750, 1535375, 1838125, 2088110, 3070750, 3676250, 5220275, 7676875, 10440550, 15353750, 26101375, 52202750, 130506875, 261013750]

約数ペア:

[(1, 261013750), (2, 130506875), (5, 52202750), (10, 26101375), (17, 15353750), (25, 10440550), (34, 7676875), (50, 5220275), (71, 3676250), (85, 3070750), (125, 2088110), (142, 1838125), (170, 1535375), (173, 1508750), (250, 1044055), (346, 754375), (355, 735250), (425, 614150), (625, 417622), (710, 367625), (850, 307075), (865, 301750), (1207, 216250), (1250, 208811), (1730, 150875), (1775, 147050), (2125, 122830), (2414, 108125), (2941, 88750), (3550, 73525), (4250, 61415), (4325, 60350), (5882, 44375), (6035, 43250), (8650, 30175), (8875, 29410), (10625, 24566), (12070, 21625), (12283, 21250), (14705, 17750)]