199944885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 411402240

約数和(自身を除く): 211457355

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 53, 57, 61, 93, 95, 105, 133, 155, 159, 183, 217, 265, 285, 305, 371, 399, 427, 465, 589, 651, 665, 795, 915, 1007, 1085, 1113, 1159, 1281, 1643, 1767, 1855, 1891, 1995, 2135, 2945, 3021, 3233, 3255, 3477, 4123, 4929, 5035, 5565, 5673, 5795, 6405, 7049, 8113, 8215, 8835, 9455, 9699, 11501, 12369, 13237, 15105, 16165, 17385, 20615, 21147, 22631, 24339, 24645, 28365, 31217, 34503, 35245, 35929, 39711, 40565, 48495, 57505, 61427, 61845, 66185, 67893, 93651, 100223, 105735, 107787, 113155, 121695, 156085, 172515, 179645, 184281, 198555, 218519, 251503, 300669, 307135, 339465, 429989, 468255, 501115, 538935, 655557, 701561, 754509, 921405, 1092595, 1257515, 1289967, 1503345, 1904237, 2104683, 2149945, 3277785, 3507805, 3772545, 5712711, 6449835, 9521185, 10523415, 13329659, 28563555, 39988977, 66648295, 199944885]

約数ペア:

[(1, 199944885), (3, 66648295), (5, 39988977), (7, 28563555), (15, 13329659), (19, 10523415), (21, 9521185), (31, 6449835), (35, 5712711), (53, 3772545), (57, 3507805), (61, 3277785), (93, 2149945), (95, 2104683), (105, 1904237), (133, 1503345), (155, 1289967), (159, 1257515), (183, 1092595), (217, 921405), (265, 754509), (285, 701561), (305, 655557), (371, 538935), (399, 501115), (427, 468255), (465, 429989), (589, 339465), (651, 307135), (665, 300669), (795, 251503), (915, 218519), (1007, 198555), (1085, 184281), (1113, 179645), (1159, 172515), (1281, 156085), (1643, 121695), (1767, 113155), (1855, 107787), (1891, 105735), (1995, 100223), (2135, 93651), (2945, 67893), (3021, 66185), (3233, 61845), (3255, 61427), (3477, 57505), (4123, 48495), (4929, 40565), (5035, 39711), (5565, 35929), (5673, 35245), (5795, 34503), (6405, 31217), (7049, 28365), (8113, 24645), (8215, 24339), (8835, 22631), (9455, 21147), (9699, 20615), (11501, 17385), (12369, 16165), (13237, 15105)]