78302140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13007}}^1$

素因数の和:13066

約数の個数: 48

約数和(自身を含む): 192310272

約数和(自身を除く): 114008132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13007, 26014, 52028, 65035, 91049, 130070, 182098, 260140, 364196, 455245, 559301, 910490, 1118602, 1820980, 2237204, 2796505, 3915107, 5593010, 7830214, 11186020, 15660428, 19575535, 39151070, 78302140]

約数ペア:

[(1, 78302140), (2, 39151070), (4, 19575535), (5, 15660428), (7, 11186020), (10, 7830214), (14, 5593010), (20, 3915107), (28, 2796505), (35, 2237204), (43, 1820980), (70, 1118602), (86, 910490), (140, 559301), (172, 455245), (215, 364196), (301, 260140), (430, 182098), (602, 130070), (860, 91049), (1204, 65035), (1505, 52028), (3010, 26014), (6020, 13007)]