2023731425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 2720075904

約数和(自身を除く): 696344479

約数列:

[1, 5, 17, 25, 61, 85, 251, 305, 311, 425, 1037, 1255, 1525, 1555, 4267, 5185, 5287, 6275, 7775, 15311, 18971, 21335, 25925, 26435, 76555, 78061, 94855, 106675, 132175, 260287, 322507, 382775, 390305, 474275, 1301435, 1327037, 1612535, 1951525, 4761721, 6507175, 6635185, 8062675, 23808605, 33175925, 80949257, 119043025, 404746285, 2023731425]

約数ペア:

[(1, 2023731425), (5, 404746285), (17, 119043025), (25, 80949257), (61, 33175925), (85, 23808605), (251, 8062675), (305, 6635185), (311, 6507175), (425, 4761721), (1037, 1951525), (1255, 1612535), (1525, 1327037), (1555, 1301435), (4267, 474275), (5185, 390305), (5287, 382775), (6275, 322507), (7775, 260287), (15311, 132175), (18971, 106675), (21335, 94855), (25925, 78061), (26435, 76555)]