706450940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{87649}}^1$

素因数の和:87702

約数の個数: 48

約数和(自身を含む): 1649222400

約数和(自身を除く): 942771460

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, 87649, 175298, 350596, 438245, 876490, 1139437, 1752980, 2278874, 2717119, 4557748, 5434238, 5697185, 10868476, 11394370, 13585595, 22788740, 27171190, 35322547, 54342380, 70645094, 141290188, 176612735, 353225470, 706450940]

約数ペア:

[(1, 706450940), (2, 353225470), (4, 176612735), (5, 141290188), (10, 70645094), (13, 54342380), (20, 35322547), (26, 27171190), (31, 22788740), (52, 13585595), (62, 11394370), (65, 10868476), (124, 5697185), (130, 5434238), (155, 4557748), (260, 2717119), (310, 2278874), (403, 1752980), (620, 1139437), (806, 876490), (1612, 438245), (2015, 350596), (4030, 175298), (8060, 87649)]