130949900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^3$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 306594960

約数和(自身を除く): 175645060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1681, 1900, 2050, 3116, 3362, 3895, 4100, 6724, 7790, 8405, 15580, 16810, 19475, 31939, 33620, 38950, 42025, 63878, 68921, 77900, 84050, 127756, 137842, 159695, 168100, 275684, 319390, 344605, 638780, 689210, 798475, 1309499, 1378420, 1596950, 1723025, 2618998, 3193900, 3446050, 5237996, 6547495, 6892100, 13094990, 26189980, 32737475, 65474950, 130949900]

約数ペア:

[(1, 130949900), (2, 65474950), (4, 32737475), (5, 26189980), (10, 13094990), (19, 6892100), (20, 6547495), (25, 5237996), (38, 3446050), (41, 3193900), (50, 2618998), (76, 1723025), (82, 1596950), (95, 1378420), (100, 1309499), (164, 798475), (190, 689210), (205, 638780), (380, 344605), (410, 319390), (475, 275684), (779, 168100), (820, 159695), (950, 137842), (1025, 127756), (1558, 84050), (1681, 77900), (1900, 68921), (2050, 63878), (3116, 42025), (3362, 38950), (3895, 33620), (4100, 31939), (6724, 19475), (7790, 16810), (8405, 15580)]