203970620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5669}}^1$

素因数の和:5942

約数の個数: 48

約数和(自身を含む): 491520960

約数和(自身を除く): 287550340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 5669, 7196, 8995, 11338, 17990, 22676, 28345, 35980, 39683, 56690, 79366, 113380, 158732, 198415, 396830, 793660, 1456933, 2913866, 5827732, 7284665, 10198531, 14569330, 20397062, 29138660, 40794124, 50992655, 101985310, 203970620]

約数ペア:

[(1, 203970620), (2, 101985310), (4, 50992655), (5, 40794124), (7, 29138660), (10, 20397062), (14, 14569330), (20, 10198531), (28, 7284665), (35, 5827732), (70, 2913866), (140, 1456933), (257, 793660), (514, 396830), (1028, 198415), (1285, 158732), (1799, 113380), (2570, 79366), (3598, 56690), (5140, 39683), (5669, 35980), (7196, 28345), (8995, 22676), (11338, 17990)]