1916702970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5051}}^1$

素因数の和:5220

約数の個数: 128

約数和(自身を含む): 5703505920

約数和(自身を除く): 3786802950

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 139, 182, 195, 210, 273, 278, 390, 417, 455, 546, 695, 834, 910, 973, 1365, 1390, 1807, 1946, 2085, 2730, 2919, 3614, 4170, 4865, 5051, 5421, 5838, 9035, 9730, 10102, 10842, 12649, 14595, 15153, 18070, 25255, 25298, 27105, 29190, 30306, 35357, 37947, 50510, 54210, 63245, 65663, 70714, 75765, 75894, 106071, 126490, 131326, 151530, 176785, 189735, 196989, 212142, 328315, 353570, 379470, 393978, 459641, 530355, 656630, 702089, 919282, 984945, 1060710, 1378923, 1404178, 1969890, 2106267, 2298205, 2757846, 3510445, 4212534, 4596410, 4914623, 6894615, 7020890, 9127157, 9829246, 10531335, 13789230, 14743869, 18254314, 21062670, 24573115, 27381471, 29487738, 45635785, 49146230, 54762942, 63890099, 73719345, 91271570, 127780198, 136907355, 147438690, 191670297, 273814710, 319450495, 383340594, 638900990, 958351485, 1916702970]

約数ペア:

[(1, 1916702970), (2, 958351485), (3, 638900990), (5, 383340594), (6, 319450495), (7, 273814710), (10, 191670297), (13, 147438690), (14, 136907355), (15, 127780198), (21, 91271570), (26, 73719345), (30, 63890099), (35, 54762942), (39, 49146230), (42, 45635785), (65, 29487738), (70, 27381471), (78, 24573115), (91, 21062670), (105, 18254314), (130, 14743869), (139, 13789230), (182, 10531335), (195, 9829246), (210, 9127157), (273, 7020890), (278, 6894615), (390, 4914623), (417, 4596410), (455, 4212534), (546, 3510445), (695, 2757846), (834, 2298205), (910, 2106267), (973, 1969890), (1365, 1404178), (1390, 1378923), (1807, 1060710), (1946, 984945), (2085, 919282), (2730, 702089), (2919, 656630), (3614, 530355), (4170, 459641), (4865, 393978), (5051, 379470), (5421, 353570), (5838, 328315), (9035, 212142), (9730, 196989), (10102, 189735), (10842, 176785), (12649, 151530), (14595, 131326), (15153, 126490), (18070, 106071), (25255, 75894), (25298, 75765), (27105, 70714), (29190, 65663), (30306, 63245), (35357, 54210), (37947, 50510)]