280149604

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16987}}^1$

素因数の和:17048

約数の個数: 48

約数和(自身を含む): 608849920

約数和(自身を除く): 328700316

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 16492, 16987, 33974, 67948, 118909, 237818, 322753, 475636, 526597, 645506, 1053194, 1291012, 2106388, 2259271, 3686179, 4518542, 7372358, 9037084, 10005343, 14744716, 20010686, 40021372, 70037401, 140074802, 280149604]

約数ペア:

[(1, 280149604), (2, 140074802), (4, 70037401), (7, 40021372), (14, 20010686), (19, 14744716), (28, 10005343), (31, 9037084), (38, 7372358), (62, 4518542), (76, 3686179), (124, 2259271), (133, 2106388), (217, 1291012), (266, 1053194), (434, 645506), (532, 526597), (589, 475636), (868, 322753), (1178, 237818), (2356, 118909), (4123, 67948), (8246, 33974), (16492, 16987)]