205656920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 541604880

約数和(自身を除く): 335947960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 317, 331, 392, 490, 634, 662, 980, 1268, 1324, 1585, 1655, 1960, 2219, 2317, 2536, 2648, 3170, 3310, 4438, 4634, 6340, 6620, 8876, 9268, 11095, 11585, 12680, 13240, 15533, 16219, 17752, 18536, 22190, 23170, 31066, 32438, 44380, 46340, 62132, 64876, 77665, 81095, 88760, 92680, 104927, 124264, 129752, 155330, 162190, 209854, 310660, 324380, 419708, 524635, 621320, 648760, 734489, 839416, 1049270, 1468978, 2098540, 2937956, 3672445, 4197080, 5141423, 5875912, 7344890, 10282846, 14689780, 20565692, 25707115, 29379560, 41131384, 51414230, 102828460, 205656920]

約数ペア:

[(1, 205656920), (2, 102828460), (4, 51414230), (5, 41131384), (7, 29379560), (8, 25707115), (10, 20565692), (14, 14689780), (20, 10282846), (28, 7344890), (35, 5875912), (40, 5141423), (49, 4197080), (56, 3672445), (70, 2937956), (98, 2098540), (140, 1468978), (196, 1049270), (245, 839416), (280, 734489), (317, 648760), (331, 621320), (392, 524635), (490, 419708), (634, 324380), (662, 310660), (980, 209854), (1268, 162190), (1324, 155330), (1585, 129752), (1655, 124264), (1960, 104927), (2219, 92680), (2317, 88760), (2536, 81095), (2648, 77665), (3170, 64876), (3310, 62132), (4438, 46340), (4634, 44380), (6340, 32438), (6620, 31066), (8876, 23170), (9268, 22190), (11095, 18536), (11585, 17752), (12680, 16219), (13240, 15533)]