281109080

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{2927}}^1$

素因数の和:2966

約数の個数: 80

約数和(自身を含む): 738119520

約数和(自身を除く): 457010440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 2927, 3430, 4802, 5854, 6860, 9604, 11708, 12005, 13720, 14635, 19208, 20489, 23416, 24010, 29270, 40978, 48020, 58540, 81956, 96040, 102445, 117080, 143423, 163912, 204890, 286846, 409780, 573692, 717115, 819560, 1003961, 1147384, 1434230, 2007922, 2868460, 4015844, 5019805, 5736920, 7027727, 8031688, 10039610, 14055454, 20079220, 28110908, 35138635, 40158440, 56221816, 70277270, 140554540, 281109080]

約数ペア:

[(1, 281109080), (2, 140554540), (4, 70277270), (5, 56221816), (7, 40158440), (8, 35138635), (10, 28110908), (14, 20079220), (20, 14055454), (28, 10039610), (35, 8031688), (40, 7027727), (49, 5736920), (56, 5019805), (70, 4015844), (98, 2868460), (140, 2007922), (196, 1434230), (245, 1147384), (280, 1003961), (343, 819560), (392, 717115), (490, 573692), (686, 409780), (980, 286846), (1372, 204890), (1715, 163912), (1960, 143423), (2401, 117080), (2744, 102445), (2927, 96040), (3430, 81956), (4802, 58540), (5854, 48020), (6860, 40978), (9604, 29270), (11708, 24010), (12005, 23416), (13720, 20489), (14635, 19208)]