131888260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30389}}^1$

素因数の和:30436

約数の個数: 48

約数和(自身を含む): 326753280

約数和(自身を除く): 194865020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 30389, 60778, 121556, 151945, 212723, 303890, 425446, 607780, 850892, 942059, 1063615, 1884118, 2127230, 3768236, 4254460, 4710295, 6594413, 9420590, 13188826, 18841180, 26377652, 32972065, 65944130, 131888260]

約数ペア:

[(1, 131888260), (2, 65944130), (4, 32972065), (5, 26377652), (7, 18841180), (10, 13188826), (14, 9420590), (20, 6594413), (28, 4710295), (31, 4254460), (35, 3768236), (62, 2127230), (70, 1884118), (124, 1063615), (140, 942059), (155, 850892), (217, 607780), (310, 425446), (434, 303890), (620, 212723), (868, 151945), (1085, 121556), (2170, 60778), (4340, 30389)]