263296400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 655386624

約数和(自身を除く): 392090224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 73, 80, 100, 127, 142, 146, 200, 254, 284, 292, 355, 365, 400, 508, 568, 584, 635, 710, 730, 1016, 1136, 1168, 1270, 1420, 1460, 1775, 1825, 2032, 2540, 2840, 2920, 3175, 3550, 3650, 5080, 5183, 5680, 5840, 6350, 7100, 7300, 9017, 9271, 10160, 10366, 12700, 14200, 14600, 18034, 18542, 20732, 25400, 25915, 28400, 29200, 36068, 37084, 41464, 45085, 46355, 50800, 51830, 72136, 74168, 82928, 90170, 92710, 103660, 129575, 144272, 148336, 180340, 185420, 207320, 225425, 231775, 259150, 360680, 370840, 414640, 450850, 463550, 518300, 658241, 721360, 741680, 901700, 927100, 1036600, 1316482, 1803400, 1854200, 2073200, 2632964, 3291205, 3606800, 3708400, 5265928, 6582410, 10531856, 13164820, 16456025, 26329640, 32912050, 52659280, 65824100, 131648200, 263296400]

約数ペア:

[(1, 263296400), (2, 131648200), (4, 65824100), (5, 52659280), (8, 32912050), (10, 26329640), (16, 16456025), (20, 13164820), (25, 10531856), (40, 6582410), (50, 5265928), (71, 3708400), (73, 3606800), (80, 3291205), (100, 2632964), (127, 2073200), (142, 1854200), (146, 1803400), (200, 1316482), (254, 1036600), (284, 927100), (292, 901700), (355, 741680), (365, 721360), (400, 658241), (508, 518300), (568, 463550), (584, 450850), (635, 414640), (710, 370840), (730, 360680), (1016, 259150), (1136, 231775), (1168, 225425), (1270, 207320), (1420, 185420), (1460, 180340), (1775, 148336), (1825, 144272), (2032, 129575), (2540, 103660), (2840, 92710), (2920, 90170), (3175, 82928), (3550, 74168), (3650, 72136), (5080, 51830), (5183, 50800), (5680, 46355), (5840, 45085), (6350, 41464), (7100, 37084), (7300, 36068), (9017, 29200), (9271, 28400), (10160, 25915), (10366, 25400), (12700, 20732), (14200, 18542), (14600, 18034)]