7365219940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{913799}}^1$

素因数の和:913852

約数の個数: 48

約数和(自身を含む): 17194060800

約数和(自身を除く): 9828840860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 913799, 1827598, 3655196, 4568995, 9137990, 11879387, 18275980, 23758774, 28327769, 47517548, 56655538, 59396935, 113311076, 118793870, 141638845, 237587740, 283277690, 368260997, 566555380, 736521994, 1473043988, 1841304985, 3682609970, 7365219940]

約数ペア:

[(1, 7365219940), (2, 3682609970), (4, 1841304985), (5, 1473043988), (10, 736521994), (13, 566555380), (20, 368260997), (26, 283277690), (31, 237587740), (52, 141638845), (62, 118793870), (65, 113311076), (124, 59396935), (130, 56655538), (155, 47517548), (260, 28327769), (310, 23758774), (403, 18275980), (620, 11879387), (806, 9137990), (1612, 4568995), (2015, 3655196), (4030, 1827598), (8060, 913799)]