49310920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 114307200

約数和(自身を除く): 64996280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 97, 142, 179, 194, 284, 355, 358, 388, 485, 568, 710, 716, 776, 895, 970, 1420, 1432, 1790, 1940, 2840, 3580, 3880, 6887, 7160, 12709, 13774, 17363, 25418, 27548, 34435, 34726, 50836, 55096, 63545, 68870, 69452, 86815, 101672, 127090, 137740, 138904, 173630, 254180, 275480, 347260, 508360, 694520, 1232773, 2465546, 4931092, 6163865, 9862184, 12327730, 24655460, 49310920]

約数ペア:

[(1, 49310920), (2, 24655460), (4, 12327730), (5, 9862184), (8, 6163865), (10, 4931092), (20, 2465546), (40, 1232773), (71, 694520), (97, 508360), (142, 347260), (179, 275480), (194, 254180), (284, 173630), (355, 138904), (358, 137740), (388, 127090), (485, 101672), (568, 86815), (710, 69452), (716, 68870), (776, 63545), (895, 55096), (970, 50836), (1420, 34726), (1432, 34435), (1790, 27548), (1940, 25418), (2840, 17363), (3580, 13774), (3880, 12709), (6887, 7160)]