129519400

素因数分解:

$2^3\times 5^2\times {\mathrm{313}}^1\times {\mathrm{2069}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 302240700

約数和(自身を除く): 172721300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 313, 626, 1252, 1565, 2069, 2504, 3130, 4138, 6260, 7825, 8276, 10345, 12520, 15650, 16552, 20690, 31300, 41380, 51725, 62600, 82760, 103450, 206900, 413800, 647597, 1295194, 2590388, 3237985, 5180776, 6475970, 12951940, 16189925, 25903880, 32379850, 64759700, 129519400]

約数ペア:

[(1, 129519400), (2, 64759700), (4, 32379850), (5, 25903880), (8, 16189925), (10, 12951940), (20, 6475970), (25, 5180776), (40, 3237985), (50, 2590388), (100, 1295194), (200, 647597), (313, 413800), (626, 206900), (1252, 103450), (1565, 82760), (2069, 62600), (2504, 51725), (3130, 41380), (4138, 31300), (6260, 20690), (7825, 16552), (8276, 15650), (10345, 12520)]