280433335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 437633280

約数和(自身を除く): 157199945

約数列:

[1, 5, 7, 13, 29, 35, 53, 65, 91, 145, 203, 265, 371, 377, 401, 455, 689, 1015, 1537, 1855, 1885, 2005, 2639, 2807, 3445, 4823, 5213, 7685, 10759, 11629, 13195, 14035, 19981, 21253, 24115, 26065, 36491, 53795, 58145, 81403, 99905, 106265, 139867, 148771, 151177, 182455, 276289, 407015, 616337, 699335, 743855, 755885, 1058239, 1381445, 1934023, 3081685, 4314359, 5291195, 8012381, 9670115, 21571795, 40061905, 56086667, 280433335]

約数ペア:

[(1, 280433335), (5, 56086667), (7, 40061905), (13, 21571795), (29, 9670115), (35, 8012381), (53, 5291195), (65, 4314359), (91, 3081685), (145, 1934023), (203, 1381445), (265, 1058239), (371, 755885), (377, 743855), (401, 699335), (455, 616337), (689, 407015), (1015, 276289), (1537, 182455), (1855, 151177), (1885, 148771), (2005, 139867), (2639, 106265), (2807, 99905), (3445, 81403), (4823, 58145), (5213, 53795), (7685, 36491), (10759, 26065), (11629, 24115), (13195, 21253), (14035, 19981)]