421724920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{178697}}^1$

素因数の和:178767

約数の個数: 32

約数和(自身を含む): 964969200

約数和(自身を除く): 543244280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 178697, 357394, 714788, 893485, 1429576, 1786970, 3573940, 7147880, 10543123, 21086246, 42172492, 52715615, 84344984, 105431230, 210862460, 421724920]

約数ペア:

[(1, 421724920), (2, 210862460), (4, 105431230), (5, 84344984), (8, 52715615), (10, 42172492), (20, 21086246), (40, 10543123), (59, 7147880), (118, 3573940), (236, 1786970), (295, 1429576), (472, 893485), (590, 714788), (1180, 357394), (2360, 178697)]