89228020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13007}}^1$

素因数の和:13037

約数の個数: 48

約数和(自身を含む): 218534400

約数和(自身を除く): 129306380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 13007, 26014, 52028, 65035, 91049, 130070, 182098, 260140, 364196, 455245, 637343, 910490, 1274686, 1820980, 2549372, 3186715, 4461401, 6373430, 8922802, 12746860, 17845604, 22307005, 44614010, 89228020]

約数ペア:

[(1, 89228020), (2, 44614010), (4, 22307005), (5, 17845604), (7, 12746860), (10, 8922802), (14, 6373430), (20, 4461401), (28, 3186715), (35, 2549372), (49, 1820980), (70, 1274686), (98, 910490), (140, 637343), (196, 455245), (245, 364196), (343, 260140), (490, 182098), (686, 130070), (980, 91049), (1372, 65035), (1715, 52028), (3430, 26014), (6860, 13007)]