259154380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 556083360

約数和(自身を除く): 296928980

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 278, 292, 365, 556, 695, 730, 1277, 1390, 1460, 2554, 2780, 5108, 6385, 10147, 12770, 20294, 25540, 40588, 50735, 93221, 101470, 177503, 186442, 202940, 355006, 372884, 466105, 710012, 887515, 932210, 1775030, 1864420, 3550060, 12957719, 25915438, 51830876, 64788595, 129577190, 259154380]

約数ペア:

[(1, 259154380), (2, 129577190), (4, 64788595), (5, 51830876), (10, 25915438), (20, 12957719), (73, 3550060), (139, 1864420), (146, 1775030), (278, 932210), (292, 887515), (365, 710012), (556, 466105), (695, 372884), (730, 355006), (1277, 202940), (1390, 186442), (1460, 177503), (2554, 101470), (2780, 93221), (5108, 50735), (6385, 40588), (10147, 25540), (12770, 20294)]