16684780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3221}}^1$

素因数の和:3274

約数の個数: 48

約数和(自身を含む): 41138496

約数和(自身を除く): 24453716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3221, 5180, 6442, 12884, 16105, 22547, 32210, 45094, 64420, 90188, 112735, 119177, 225470, 238354, 450940, 476708, 595885, 834239, 1191770, 1668478, 2383540, 3336956, 4171195, 8342390, 16684780]

約数ペア:

[(1, 16684780), (2, 8342390), (4, 4171195), (5, 3336956), (7, 2383540), (10, 1668478), (14, 1191770), (20, 834239), (28, 595885), (35, 476708), (37, 450940), (70, 238354), (74, 225470), (140, 119177), (148, 112735), (185, 90188), (259, 64420), (370, 45094), (518, 32210), (740, 22547), (1036, 16105), (1295, 12884), (2590, 6442), (3221, 5180)]