251018430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37861}}^1$

素因数の和:37901

約数の個数: 64

約数和(自身を含む): 686968128

約数和(自身を除く): 435949698

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 37861, 75722, 113583, 189305, 227166, 378610, 492193, 567915, 643637, 984386, 1135830, 1287274, 1476579, 1930911, 2460965, 2953158, 3218185, 3861822, 4921930, 6436370, 7382895, 8367281, 9654555, 14765790, 16734562, 19309110, 25101843, 41836405, 50203686, 83672810, 125509215, 251018430]

約数ペア:

[(1, 251018430), (2, 125509215), (3, 83672810), (5, 50203686), (6, 41836405), (10, 25101843), (13, 19309110), (15, 16734562), (17, 14765790), (26, 9654555), (30, 8367281), (34, 7382895), (39, 6436370), (51, 4921930), (65, 3861822), (78, 3218185), (85, 2953158), (102, 2460965), (130, 1930911), (170, 1476579), (195, 1287274), (221, 1135830), (255, 984386), (390, 643637), (442, 567915), (510, 492193), (663, 378610), (1105, 227166), (1326, 189305), (2210, 113583), (3315, 75722), (6630, 37861)]