2113704020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{51031}}^1$

素因数の和:51168

約数の個数: 48

約数和(自身を含む): 4715356800

約数和(自身を除く): 2601652780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 20710, 41420, 51031, 102062, 204124, 255155, 510310, 969589, 1020620, 1939178, 3878356, 4847945, 5562379, 9695890, 11124758, 19391780, 22249516, 27811895, 55623790, 105685201, 111247580, 211370402, 422740804, 528426005, 1056852010, 2113704020]

約数ペア:

[(1, 2113704020), (2, 1056852010), (4, 528426005), (5, 422740804), (10, 211370402), (19, 111247580), (20, 105685201), (38, 55623790), (76, 27811895), (95, 22249516), (109, 19391780), (190, 11124758), (218, 9695890), (380, 5562379), (436, 4847945), (545, 3878356), (1090, 1939178), (2071, 1020620), (2180, 969589), (4142, 510310), (8284, 255155), (10355, 204124), (20710, 102062), (41420, 51031)]