78491910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2689}}^1$

素因数の和:2845

約数の個数: 64

約数和(自身を含む): 216921600

約数和(自身を除く): 138429690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 1390, 1946, 2085, 2689, 2919, 4170, 4865, 5378, 5838, 8067, 9730, 13445, 14595, 16134, 18823, 26890, 29190, 37646, 40335, 56469, 80670, 94115, 112938, 188230, 282345, 373771, 564690, 747542, 1121313, 1868855, 2242626, 2616397, 3737710, 5232794, 5606565, 7849191, 11213130, 13081985, 15698382, 26163970, 39245955, 78491910]

約数ペア:

[(1, 78491910), (2, 39245955), (3, 26163970), (5, 15698382), (6, 13081985), (7, 11213130), (10, 7849191), (14, 5606565), (15, 5232794), (21, 3737710), (30, 2616397), (35, 2242626), (42, 1868855), (70, 1121313), (105, 747542), (139, 564690), (210, 373771), (278, 282345), (417, 188230), (695, 112938), (834, 94115), (973, 80670), (1390, 56469), (1946, 40335), (2085, 37646), (2689, 29190), (2919, 26890), (4170, 18823), (4865, 16134), (5378, 14595), (5838, 13445), (8067, 9730)]