38980188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 109909800

約数和(自身を除く): 70929612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 149, 156, 169, 172, 234, 258, 298, 338, 387, 447, 468, 507, 516, 559, 596, 676, 774, 894, 1014, 1118, 1341, 1521, 1548, 1677, 1788, 1937, 2028, 2236, 2682, 3042, 3354, 3874, 5031, 5364, 5811, 6084, 6407, 6708, 7267, 7748, 10062, 11622, 12814, 14534, 17433, 19221, 20124, 21801, 23244, 25181, 25628, 29068, 34866, 38442, 43602, 50362, 57663, 65403, 69732, 75543, 76884, 83291, 87204, 100724, 115326, 130806, 151086, 166582, 226629, 230652, 249873, 261612, 302172, 333164, 453258, 499746, 749619, 906516, 999492, 1082783, 1499238, 2165566, 2998476, 3248349, 4331132, 6496698, 9745047, 12993396, 19490094, 38980188]

約数ペア:

[(1, 38980188), (2, 19490094), (3, 12993396), (4, 9745047), (6, 6496698), (9, 4331132), (12, 3248349), (13, 2998476), (18, 2165566), (26, 1499238), (36, 1082783), (39, 999492), (43, 906516), (52, 749619), (78, 499746), (86, 453258), (117, 333164), (129, 302172), (149, 261612), (156, 249873), (169, 230652), (172, 226629), (234, 166582), (258, 151086), (298, 130806), (338, 115326), (387, 100724), (447, 87204), (468, 83291), (507, 76884), (516, 75543), (559, 69732), (596, 65403), (676, 57663), (774, 50362), (894, 43602), (1014, 38442), (1118, 34866), (1341, 29068), (1521, 25628), (1548, 25181), (1677, 23244), (1788, 21801), (1937, 20124), (2028, 19221), (2236, 17433), (2682, 14534), (3042, 12814), (3354, 11622), (3874, 10062), (5031, 7748), (5364, 7267), (5811, 6708), (6084, 6407)]