720792284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 1401321600

約数和(自身を除く): 680529316

約数列:

[1, 2, 4, 19, 31, 38, 62, 71, 76, 124, 139, 142, 278, 284, 556, 589, 961, 1178, 1349, 1922, 2201, 2356, 2641, 2698, 3844, 4309, 4402, 5282, 5396, 8618, 8804, 9869, 10564, 17236, 18259, 19738, 36518, 39476, 41819, 68231, 73036, 81871, 83638, 133579, 136462, 163742, 167276, 187511, 267158, 272924, 305939, 327484, 375022, 534316, 611878, 750044, 1223756, 1296389, 2538001, 2592778, 5076002, 5185556, 5812841, 9484109, 10152004, 11625682, 18968218, 23251364, 37936436, 180198071, 360396142, 720792284]

約数ペア:

[(1, 720792284), (2, 360396142), (4, 180198071), (19, 37936436), (31, 23251364), (38, 18968218), (62, 11625682), (71, 10152004), (76, 9484109), (124, 5812841), (139, 5185556), (142, 5076002), (278, 2592778), (284, 2538001), (556, 1296389), (589, 1223756), (961, 750044), (1178, 611878), (1349, 534316), (1922, 375022), (2201, 327484), (2356, 305939), (2641, 272924), (2698, 267158), (3844, 187511), (4309, 167276), (4402, 163742), (5282, 136462), (5396, 133579), (8618, 83638), (8804, 81871), (9869, 73036), (10564, 68231), (17236, 41819), (18259, 39476), (19738, 36518)]