156657020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1307}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 355326048

約数和(自身を除く): 198669028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 461, 922, 1307, 1844, 2305, 2614, 4610, 5228, 5993, 6535, 9220, 11986, 13070, 16991, 23972, 26140, 29965, 33982, 59930, 67964, 84955, 119860, 169910, 339820, 602527, 1205054, 2410108, 3012635, 6025270, 7832851, 12050540, 15665702, 31331404, 39164255, 78328510, 156657020]

約数ペア:

[(1, 156657020), (2, 78328510), (4, 39164255), (5, 31331404), (10, 15665702), (13, 12050540), (20, 7832851), (26, 6025270), (52, 3012635), (65, 2410108), (130, 1205054), (260, 602527), (461, 339820), (922, 169910), (1307, 119860), (1844, 84955), (2305, 67964), (2614, 59930), (4610, 33982), (5228, 29965), (5993, 26140), (6535, 23972), (9220, 16991), (11986, 13070)]