2008021148

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{6779}}^1$

素因数の和:7010

約数の個数: 48

約数和(自身を含む): 4100544000

約数和(自身を除く): 2092522852

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 149, 284, 298, 497, 596, 994, 1043, 1988, 2086, 4172, 6779, 10579, 13558, 21158, 27116, 42316, 47453, 74053, 94906, 148106, 189812, 296212, 481309, 962618, 1010071, 1925236, 2020142, 3369163, 4040284, 6738326, 7070497, 13476652, 14140994, 28281988, 71715041, 143430082, 286860164, 502005287, 1004010574, 2008021148]

約数ペア:

[(1, 2008021148), (2, 1004010574), (4, 502005287), (7, 286860164), (14, 143430082), (28, 71715041), (71, 28281988), (142, 14140994), (149, 13476652), (284, 7070497), (298, 6738326), (497, 4040284), (596, 3369163), (994, 2020142), (1043, 1925236), (1988, 1010071), (2086, 962618), (4172, 481309), (6779, 296212), (10579, 189812), (13558, 148106), (21158, 94906), (27116, 74053), (42316, 47453)]