258790520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2069}}^1$

素因数の和:2192

約数の個数: 64

約数和(自身を含む): 603612000

約数和(自身を除く): 344821480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 59, 106, 118, 212, 236, 265, 295, 424, 472, 530, 590, 1060, 1180, 2069, 2120, 2360, 3127, 4138, 6254, 8276, 10345, 12508, 15635, 16552, 20690, 25016, 31270, 41380, 62540, 82760, 109657, 122071, 125080, 219314, 244142, 438628, 488284, 548285, 610355, 877256, 976568, 1096570, 1220710, 2193140, 2441420, 4386280, 4882840, 6469763, 12939526, 25879052, 32348815, 51758104, 64697630, 129395260, 258790520]

約数ペア:

[(1, 258790520), (2, 129395260), (4, 64697630), (5, 51758104), (8, 32348815), (10, 25879052), (20, 12939526), (40, 6469763), (53, 4882840), (59, 4386280), (106, 2441420), (118, 2193140), (212, 1220710), (236, 1096570), (265, 976568), (295, 877256), (424, 610355), (472, 548285), (530, 488284), (590, 438628), (1060, 244142), (1180, 219314), (2069, 125080), (2120, 122071), (2360, 109657), (3127, 82760), (4138, 62540), (6254, 41380), (8276, 31270), (10345, 25016), (12508, 20690), (15635, 16552)]