200339980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 436101120

約数和(自身を除く): 235761140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 311, 620, 622, 1039, 1244, 1555, 2078, 3110, 4156, 5195, 6220, 9641, 10390, 19282, 20780, 32209, 38564, 48205, 64418, 96410, 128836, 161045, 192820, 322090, 323129, 644180, 646258, 1292516, 1615645, 3231290, 6462580, 10016999, 20033998, 40067996, 50084995, 100169990, 200339980]

約数ペア:

[(1, 200339980), (2, 100169990), (4, 50084995), (5, 40067996), (10, 20033998), (20, 10016999), (31, 6462580), (62, 3231290), (124, 1615645), (155, 1292516), (310, 646258), (311, 644180), (620, 323129), (622, 322090), (1039, 192820), (1244, 161045), (1555, 128836), (2078, 96410), (3110, 64418), (4156, 48205), (5195, 38564), (6220, 32209), (9641, 20780), (10390, 19282)]