71876140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 178228512

約数和(自身を除く): 106352372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1033, 1420, 1988, 2066, 2485, 3479, 4132, 4970, 5165, 6958, 7231, 9940, 10330, 13916, 14462, 17395, 20660, 28924, 34790, 36155, 50617, 69580, 72310, 73343, 101234, 144620, 146686, 202468, 253085, 293372, 366715, 506170, 513401, 733430, 1012340, 1026802, 1466860, 2053604, 2567005, 3593807, 5134010, 7187614, 10268020, 14375228, 17969035, 35938070, 71876140]

約数ペア:

[(1, 71876140), (2, 35938070), (4, 17969035), (5, 14375228), (7, 10268020), (10, 7187614), (14, 5134010), (20, 3593807), (28, 2567005), (35, 2053604), (49, 1466860), (70, 1026802), (71, 1012340), (98, 733430), (140, 513401), (142, 506170), (196, 366715), (245, 293372), (284, 253085), (355, 202468), (490, 146686), (497, 144620), (710, 101234), (980, 73343), (994, 72310), (1033, 69580), (1420, 50617), (1988, 36155), (2066, 34790), (2485, 28924), (3479, 20660), (4132, 17395), (4970, 14462), (5165, 13916), (6958, 10330), (7231, 9940)]