203206045

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 312076800

約数和(自身を除く): 108870755

約数列:

[1, 5, 7, 19, 29, 35, 41, 95, 133, 145, 203, 205, 257, 287, 551, 665, 779, 1015, 1189, 1285, 1435, 1799, 2755, 3857, 3895, 4883, 5453, 5945, 7453, 8323, 8995, 10537, 19285, 22591, 24415, 27265, 34181, 37265, 41615, 52171, 52685, 73759, 112955, 141607, 158137, 170905, 200203, 260855, 305573, 368795, 708035, 790685, 991249, 1001015, 1401421, 1527865, 2139011, 4956245, 5805887, 7007105, 10695055, 29029435, 40641209, 203206045]

約数ペア:

[(1, 203206045), (5, 40641209), (7, 29029435), (19, 10695055), (29, 7007105), (35, 5805887), (41, 4956245), (95, 2139011), (133, 1527865), (145, 1401421), (203, 1001015), (205, 991249), (257, 790685), (287, 708035), (551, 368795), (665, 305573), (779, 260855), (1015, 200203), (1189, 170905), (1285, 158137), (1435, 141607), (1799, 112955), (2755, 73759), (3857, 52685), (3895, 52171), (4883, 41615), (5453, 37265), (5945, 34181), (7453, 27265), (8323, 24415), (8995, 22591), (10537, 19285)]