2109477890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{1021}}^1$

素因数の和:1755

約数の個数: 64

約数和(自身を含む): 4277290752

約数和(自身を除く): 2167812862

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 691, 1021, 1382, 1495, 2042, 2990, 3455, 5105, 6910, 8983, 10210, 13273, 15893, 17966, 23483, 26546, 31786, 44915, 46966, 66365, 79465, 89830, 117415, 132730, 158930, 206609, 234830, 305279, 413218, 610558, 705511, 1033045, 1411022, 1526395, 2066090, 3052790, 3527555, 7055110, 9171643, 16226753, 18343286, 32453506, 45858215, 81133765, 91716430, 162267530, 210947789, 421895578, 1054738945, 2109477890]

約数ペア:

[(1, 2109477890), (2, 1054738945), (5, 421895578), (10, 210947789), (13, 162267530), (23, 91716430), (26, 81133765), (46, 45858215), (65, 32453506), (115, 18343286), (130, 16226753), (230, 9171643), (299, 7055110), (598, 3527555), (691, 3052790), (1021, 2066090), (1382, 1526395), (1495, 1411022), (2042, 1033045), (2990, 705511), (3455, 610558), (5105, 413218), (6910, 305279), (8983, 234830), (10210, 206609), (13273, 158930), (15893, 132730), (17966, 117415), (23483, 89830), (26546, 79465), (31786, 66365), (44915, 46966)]