221091380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8293}}^1$

素因数の和:8376

約数の個数: 48

約数和(自身を含む): 490473984

約数和(自身を除く): 269382604

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 8293, 13330, 16586, 26660, 33172, 41465, 82930, 165860, 257083, 356599, 514166, 713198, 1028332, 1285415, 1426396, 1782995, 2570830, 3565990, 5141660, 7131980, 11054569, 22109138, 44218276, 55272845, 110545690, 221091380]

約数ペア:

[(1, 221091380), (2, 110545690), (4, 55272845), (5, 44218276), (10, 22109138), (20, 11054569), (31, 7131980), (43, 5141660), (62, 3565990), (86, 2570830), (124, 1782995), (155, 1426396), (172, 1285415), (215, 1028332), (310, 713198), (430, 514166), (620, 356599), (860, 257083), (1333, 165860), (2666, 82930), (5332, 41465), (6665, 33172), (8293, 26660), (13330, 16586)]