17733940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 42844032

約数和(自身を除く): 25110092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 643, 788, 985, 1286, 1379, 1970, 2572, 2758, 3215, 3940, 4501, 5516, 6430, 6895, 9002, 12860, 13790, 18004, 22505, 27580, 45010, 90020, 126671, 253342, 506684, 633355, 886697, 1266710, 1773394, 2533420, 3546788, 4433485, 8866970, 17733940]

約数ペア:

[(1, 17733940), (2, 8866970), (4, 4433485), (5, 3546788), (7, 2533420), (10, 1773394), (14, 1266710), (20, 886697), (28, 633355), (35, 506684), (70, 253342), (140, 126671), (197, 90020), (394, 45010), (643, 27580), (788, 22505), (985, 18004), (1286, 13790), (1379, 12860), (1970, 9002), (2572, 6895), (2758, 6430), (3215, 5516), (3940, 4501)]