201790640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132757}}^1$

素因数の和:132789

約数の個数: 40

約数和(自身を含む): 493859760

約数和(自身を除く): 292069120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132757, 265514, 531028, 663785, 1062056, 1327570, 2124112, 2522383, 2655140, 5044766, 5310280, 10089532, 10620560, 12611915, 20179064, 25223830, 40358128, 50447660, 100895320, 201790640]

約数ペア:

[(1, 201790640), (2, 100895320), (4, 50447660), (5, 40358128), (8, 25223830), (10, 20179064), (16, 12611915), (19, 10620560), (20, 10089532), (38, 5310280), (40, 5044766), (76, 2655140), (80, 2522383), (95, 2124112), (152, 1327570), (190, 1062056), (304, 663785), (380, 531028), (760, 265514), (1520, 132757)]