79199420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 173107200

約数和(自身を除く): 93907780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 919, 1390, 1838, 2780, 3676, 4309, 4595, 8618, 9190, 17236, 18380, 21545, 28489, 43090, 56978, 86180, 113956, 127741, 142445, 255482, 284890, 510964, 569780, 638705, 1277410, 2554820, 3959971, 7919942, 15839884, 19799855, 39599710, 79199420]

約数ペア:

[(1, 79199420), (2, 39599710), (4, 19799855), (5, 15839884), (10, 7919942), (20, 3959971), (31, 2554820), (62, 1277410), (124, 638705), (139, 569780), (155, 510964), (278, 284890), (310, 255482), (556, 142445), (620, 127741), (695, 113956), (919, 86180), (1390, 56978), (1838, 43090), (2780, 28489), (3676, 21545), (4309, 18380), (4595, 17236), (8618, 9190)]