199747660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3389}}^1$

素因数の和:3826

約数の個数: 48

約数和(自身を含む): 480674880

約数和(自身を除く): 280927220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 3389, 4210, 5894, 6778, 8420, 11788, 13556, 14735, 16945, 23723, 29470, 33890, 47446, 58940, 67780, 94892, 118615, 237230, 474460, 1426769, 2853538, 5707076, 7133845, 9987383, 14267690, 19974766, 28535380, 39949532, 49936915, 99873830, 199747660]

約数ペア:

[(1, 199747660), (2, 99873830), (4, 49936915), (5, 39949532), (7, 28535380), (10, 19974766), (14, 14267690), (20, 9987383), (28, 7133845), (35, 5707076), (70, 2853538), (140, 1426769), (421, 474460), (842, 237230), (1684, 118615), (2105, 94892), (2947, 67780), (3389, 58940), (4210, 47446), (5894, 33890), (6778, 29470), (8420, 23723), (11788, 16945), (13556, 14735)]