30856540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10789}}^1$

素因数の和:10822

約数の個数: 48

約数和(自身を含む): 76134240

約数和(自身を除く): 45277700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10789, 21578, 43156, 53945, 107890, 118679, 140257, 215780, 237358, 280514, 474716, 561028, 593395, 701285, 1186790, 1402570, 1542827, 2373580, 2805140, 3085654, 6171308, 7714135, 15428270, 30856540]

約数ペア:

[(1, 30856540), (2, 15428270), (4, 7714135), (5, 6171308), (10, 3085654), (11, 2805140), (13, 2373580), (20, 1542827), (22, 1402570), (26, 1186790), (44, 701285), (52, 593395), (55, 561028), (65, 474716), (110, 280514), (130, 237358), (143, 215780), (220, 140257), (260, 118679), (286, 107890), (572, 53945), (715, 43156), (1430, 21578), (2860, 10789)]