1999682720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1785431}}^1$

素因数の和:1785453

約数の個数: 48

約数和(自身を含む): 5399146368

約数和(自身を除く): 3399463648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1785431, 3570862, 7141724, 8927155, 12498017, 14283448, 17854310, 24996034, 28566896, 35708620, 49992068, 57133792, 62490085, 71417240, 99984136, 124980170, 142834480, 199968272, 249960340, 285668960, 399936544, 499920680, 999841360, 1999682720]

約数ペア:

[(1, 1999682720), (2, 999841360), (4, 499920680), (5, 399936544), (7, 285668960), (8, 249960340), (10, 199968272), (14, 142834480), (16, 124980170), (20, 99984136), (28, 71417240), (32, 62490085), (35, 57133792), (40, 49992068), (56, 35708620), (70, 28566896), (80, 24996034), (112, 17854310), (140, 14283448), (160, 12498017), (224, 8927155), (280, 7141724), (560, 3570862), (1120, 1785431)]