201781060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3389}}^1$

素因数の和:3640

約数の個数: 48

約数和(自身を含む): 458463600

約数和(自身を除く): 256682540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 2290, 2977, 3389, 4580, 5954, 6778, 11908, 13556, 14885, 16945, 29770, 33890, 44057, 59540, 67780, 88114, 176228, 220285, 440570, 776081, 881140, 1552162, 3104324, 3880405, 7760810, 10089053, 15521620, 20178106, 40356212, 50445265, 100890530, 201781060]

約数ペア:

[(1, 201781060), (2, 100890530), (4, 50445265), (5, 40356212), (10, 20178106), (13, 15521620), (20, 10089053), (26, 7760810), (52, 3880405), (65, 3104324), (130, 1552162), (229, 881140), (260, 776081), (458, 440570), (916, 220285), (1145, 176228), (2290, 88114), (2977, 67780), (3389, 59540), (4580, 44057), (5954, 33890), (6778, 29770), (11908, 16945), (13556, 14885)]