40019868

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{463}}^1$

素因数の和:501

約数の個数: 90

約数和(自身を含む): 118269424

約数和(自身を除く): 78249556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 463, 588, 686, 882, 926, 1029, 1372, 1389, 1764, 1852, 2058, 2401, 2778, 3087, 3241, 4116, 4167, 4802, 5556, 6174, 6482, 7203, 8334, 9604, 9723, 12348, 12964, 14406, 16668, 19446, 21609, 22687, 28812, 29169, 38892, 43218, 45374, 58338, 68061, 86436, 90748, 116676, 136122, 158809, 204183, 272244, 317618, 408366, 476427, 635236, 816732, 952854, 1111663, 1429281, 1905708, 2223326, 2858562, 3334989, 4446652, 5717124, 6669978, 10004967, 13339956, 20009934, 40019868]

約数ペア:

[(1, 40019868), (2, 20009934), (3, 13339956), (4, 10004967), (6, 6669978), (7, 5717124), (9, 4446652), (12, 3334989), (14, 2858562), (18, 2223326), (21, 1905708), (28, 1429281), (36, 1111663), (42, 952854), (49, 816732), (63, 635236), (84, 476427), (98, 408366), (126, 317618), (147, 272244), (196, 204183), (252, 158809), (294, 136122), (343, 116676), (441, 90748), (463, 86436), (588, 68061), (686, 58338), (882, 45374), (926, 43218), (1029, 38892), (1372, 29169), (1389, 28812), (1764, 22687), (1852, 21609), (2058, 19446), (2401, 16668), (2778, 14406), (3087, 12964), (3241, 12348), (4116, 9723), (4167, 9604), (4802, 8334), (5556, 7203), (6174, 6482)]