10400005

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 16842816

約数和(自身を除く): 6442811

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 227, 245, 385, 539, 595, 833, 935, 1135, 1309, 1589, 2497, 2695, 3859, 4165, 6545, 7945, 9163, 11123, 12485, 17479, 19295, 27013, 42449, 45815, 55615, 87395, 122353, 135065, 189091, 212245, 297143, 611765, 945455, 1485715, 2080001, 10400005]

約数ペア:

[(1, 10400005), (5, 2080001), (7, 1485715), (11, 945455), (17, 611765), (35, 297143), (49, 212245), (55, 189091), (77, 135065), (85, 122353), (119, 87395), (187, 55615), (227, 45815), (245, 42449), (385, 27013), (539, 19295), (595, 17479), (833, 12485), (935, 11123), (1135, 9163), (1309, 7945), (1589, 6545), (2497, 4165), (2695, 3859)]