2113998425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 3664051200

約数和(自身を除く): 1550052775

約数列:

[1, 5, 7, 11, 19, 23, 25, 35, 49, 55, 77, 95, 115, 133, 161, 175, 209, 245, 253, 275, 359, 385, 437, 475, 539, 575, 665, 805, 931, 1045, 1127, 1225, 1265, 1463, 1771, 1795, 1925, 2185, 2513, 2695, 3059, 3325, 3949, 4025, 4655, 4807, 5225, 5635, 6325, 6821, 7315, 8257, 8855, 8975, 10241, 10925, 12397, 12565, 13475, 15295, 17591, 19745, 21413, 23275, 24035, 27643, 28175, 33649, 34105, 36575, 41285, 44275, 47747, 51205, 57799, 61985, 62825, 75031, 76475, 87955, 90827, 98725, 107065, 120175, 138215, 156883, 168245, 170525, 193501, 206425, 235543, 238735, 256025, 288995, 309925, 334229, 375155, 404593, 439775, 454135, 525217, 535325, 635789, 691075, 784415, 841225, 967505, 1098181, 1177715, 1193675, 1444975, 1671145, 1725713, 1875775, 2022965, 2270675, 2626085, 3178945, 3676519, 3922075, 4450523, 4837525, 5490905, 5888575, 7687267, 8355725, 8628565, 10114825, 12079991, 13130425, 15894725, 18382595, 22252615, 27454525, 38436335, 43142825, 60399955, 84559937, 91912975, 111263075, 192181675, 301999775, 422799685, 2113998425]

約数ペア:

[(1, 2113998425), (5, 422799685), (7, 301999775), (11, 192181675), (19, 111263075), (23, 91912975), (25, 84559937), (35, 60399955), (49, 43142825), (55, 38436335), (77, 27454525), (95, 22252615), (115, 18382595), (133, 15894725), (161, 13130425), (175, 12079991), (209, 10114825), (245, 8628565), (253, 8355725), (275, 7687267), (359, 5888575), (385, 5490905), (437, 4837525), (475, 4450523), (539, 3922075), (575, 3676519), (665, 3178945), (805, 2626085), (931, 2270675), (1045, 2022965), (1127, 1875775), (1225, 1725713), (1265, 1671145), (1463, 1444975), (1771, 1193675), (1795, 1177715), (1925, 1098181), (2185, 967505), (2513, 841225), (2695, 784415), (3059, 691075), (3325, 635789), (3949, 535325), (4025, 525217), (4655, 454135), (4807, 439775), (5225, 404593), (5635, 375155), (6325, 334229), (6821, 309925), (7315, 288995), (8257, 256025), (8855, 238735), (8975, 235543), (10241, 206425), (10925, 193501), (12397, 170525), (12565, 168245), (13475, 156883), (15295, 138215), (17591, 120175), (19745, 107065), (21413, 98725), (23275, 90827), (24035, 87955), (27643, 76475), (28175, 75031), (33649, 62825), (34105, 61985), (36575, 57799), (41285, 51205), (44275, 47747)]