306286840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{21211}}^1$

素因数の和:21260

約数の個数: 48

約数和(自身を含む): 727359480

約数和(自身を除く): 421072640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 21211, 42422, 84844, 106055, 169688, 212110, 403009, 424220, 806018, 848440, 1612036, 2015045, 3224072, 4030090, 7657171, 8060180, 15314342, 16120360, 30628684, 38285855, 61257368, 76571710, 153143420, 306286840]

約数ペア:

[(1, 306286840), (2, 153143420), (4, 76571710), (5, 61257368), (8, 38285855), (10, 30628684), (19, 16120360), (20, 15314342), (38, 8060180), (40, 7657171), (76, 4030090), (95, 3224072), (152, 2015045), (190, 1612036), (361, 848440), (380, 806018), (722, 424220), (760, 403009), (1444, 212110), (1805, 169688), (2888, 106055), (3610, 84844), (7220, 42422), (14440, 21211)]