30403420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4211}}^1$

素因数の和:4258

約数の個数: 36

約数和(自身を含む): 67400424

約数和(自身を除く): 36997004

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 4211, 7220, 8422, 16844, 21055, 42110, 80009, 84220, 160018, 320036, 400045, 800090, 1520171, 1600180, 3040342, 6080684, 7600855, 15201710, 30403420]

約数ペア:

[(1, 30403420), (2, 15201710), (4, 7600855), (5, 6080684), (10, 3040342), (19, 1600180), (20, 1520171), (38, 800090), (76, 400045), (95, 320036), (190, 160018), (361, 84220), (380, 80009), (722, 42110), (1444, 21055), (1805, 16844), (3610, 8422), (4211, 7220)]