28939937420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1571

約数の個数: 96

約数和(自身を含む): 64857252096

約数和(自身を除く): 35917314676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 401, 466, 802, 911, 932, 1165, 1604, 1822, 2005, 2330, 3644, 3961, 4010, 4555, 4660, 6817, 7922, 8020, 9110, 13634, 15487, 15844, 18220, 19805, 27268, 30974, 34085, 39610, 61948, 68170, 77435, 79220, 93433, 136340, 154870, 186866, 212263, 309740, 365311, 373732, 424526, 467165, 730622, 849052, 934330, 1061315, 1461244, 1588361, 1826555, 1868660, 2122630, 3176722, 3608471, 3653110, 4245260, 6210287, 6353444, 7216942, 7306220, 7941805, 12420574, 14433884, 15883610, 18042355, 24841148, 31051435, 31767220, 36084710, 62102870, 72169420, 85117463, 124205740, 170234926, 340469852, 425587315, 851174630, 1446996871, 1702349260, 2893993742, 5787987484, 7234984355, 14469968710, 28939937420]

約数ペア:

[(1, 28939937420), (2, 14469968710), (4, 7234984355), (5, 5787987484), (10, 2893993742), (17, 1702349260), (20, 1446996871), (34, 851174630), (68, 425587315), (85, 340469852), (170, 170234926), (233, 124205740), (340, 85117463), (401, 72169420), (466, 62102870), (802, 36084710), (911, 31767220), (932, 31051435), (1165, 24841148), (1604, 18042355), (1822, 15883610), (2005, 14433884), (2330, 12420574), (3644, 7941805), (3961, 7306220), (4010, 7216942), (4555, 6353444), (4660, 6210287), (6817, 4245260), (7922, 3653110), (8020, 3608471), (9110, 3176722), (13634, 2122630), (15487, 1868660), (15844, 1826555), (18220, 1588361), (19805, 1461244), (27268, 1061315), (30974, 934330), (34085, 849052), (39610, 730622), (61948, 467165), (68170, 424526), (77435, 373732), (79220, 365311), (93433, 309740), (136340, 212263), (154870, 186866)]