205002015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 357212160

約数和(自身を除く): 152210145

約数列:

[1, 3, 5, 15, 29, 37, 47, 87, 111, 141, 145, 185, 235, 271, 435, 555, 705, 813, 1073, 1355, 1363, 1739, 3219, 4065, 4089, 5217, 5365, 6815, 7859, 8695, 10027, 12737, 16095, 20445, 23577, 26085, 30081, 38211, 39295, 50135, 50431, 63685, 117885, 150405, 151293, 191055, 252155, 290783, 369373, 471269, 756465, 872349, 1108119, 1413807, 1453915, 1846865, 2356345, 4361745, 5540595, 7069035, 13666801, 41000403, 68334005, 205002015]

約数ペア:

[(1, 205002015), (3, 68334005), (5, 41000403), (15, 13666801), (29, 7069035), (37, 5540595), (47, 4361745), (87, 2356345), (111, 1846865), (141, 1453915), (145, 1413807), (185, 1108119), (235, 872349), (271, 756465), (435, 471269), (555, 369373), (705, 290783), (813, 252155), (1073, 191055), (1355, 151293), (1363, 150405), (1739, 117885), (3219, 63685), (4065, 50431), (4089, 50135), (5217, 39295), (5365, 38211), (6815, 30081), (7859, 26085), (8695, 23577), (10027, 20445), (12737, 16095)]