390513310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 784520640

約数和(自身を除く): 394007330

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 113, 178, 226, 353, 445, 565, 706, 890, 979, 1130, 1243, 1765, 1958, 2486, 3530, 3883, 4895, 6215, 7766, 9790, 10057, 12430, 19415, 20114, 31417, 38830, 39889, 50285, 62834, 79778, 100570, 110627, 157085, 199445, 221254, 314170, 345587, 398890, 438779, 553135, 691174, 877558, 1106270, 1727935, 2193895, 3455870, 3550121, 4387790, 7100242, 17750605, 35501210, 39051331, 78102662, 195256655, 390513310]

約数ペア:

[(1, 390513310), (2, 195256655), (5, 78102662), (10, 39051331), (11, 35501210), (22, 17750605), (55, 7100242), (89, 4387790), (110, 3550121), (113, 3455870), (178, 2193895), (226, 1727935), (353, 1106270), (445, 877558), (565, 691174), (706, 553135), (890, 438779), (979, 398890), (1130, 345587), (1243, 314170), (1765, 221254), (1958, 199445), (2486, 157085), (3530, 110627), (3883, 100570), (4895, 79778), (6215, 62834), (7766, 50285), (9790, 39889), (10057, 38830), (12430, 31417), (19415, 20114)]