30916040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2141}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 73449180

約数和(自身を除く): 42533140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2141, 2888, 3610, 4282, 7220, 8564, 10705, 14440, 17128, 21410, 40679, 42820, 81358, 85640, 162716, 203395, 325432, 406790, 772901, 813580, 1545802, 1627160, 3091604, 3864505, 6183208, 7729010, 15458020, 30916040]

約数ペア:

[(1, 30916040), (2, 15458020), (4, 7729010), (5, 6183208), (8, 3864505), (10, 3091604), (19, 1627160), (20, 1545802), (38, 813580), (40, 772901), (76, 406790), (95, 325432), (152, 203395), (190, 162716), (361, 85640), (380, 81358), (722, 42820), (760, 40679), (1444, 21410), (1805, 17128), (2141, 14440), (2888, 10705), (3610, 8564), (4282, 7220)]