2247889420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{24971}}^1$

素因数の和:25630

約数の個数: 48

約数和(自身を含む): 5403541248

約数和(自身を除く): 3155651828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 2572, 3215, 4501, 6430, 9002, 12860, 18004, 22505, 24971, 45010, 49942, 90020, 99884, 124855, 174797, 249710, 349594, 499420, 699188, 873985, 1747970, 3495940, 16056353, 32112706, 64225412, 80281765, 112394471, 160563530, 224788942, 321127060, 449577884, 561972355, 1123944710, 2247889420]

約数ペア:

[(1, 2247889420), (2, 1123944710), (4, 561972355), (5, 449577884), (7, 321127060), (10, 224788942), (14, 160563530), (20, 112394471), (28, 80281765), (35, 64225412), (70, 32112706), (140, 16056353), (643, 3495940), (1286, 1747970), (2572, 873985), (3215, 699188), (4501, 499420), (6430, 349594), (9002, 249710), (12860, 174797), (18004, 124855), (22505, 99884), (24971, 90020), (45010, 49942)]