311962028

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 659307600

約数和(自身を除く): 347345572

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 59, 98, 106, 118, 196, 212, 236, 371, 413, 509, 742, 826, 1018, 1484, 1652, 2036, 2597, 2891, 3127, 3563, 5194, 5782, 6254, 7126, 10388, 11564, 12508, 14252, 21889, 24941, 26977, 30031, 43778, 49882, 53954, 60062, 87556, 99764, 107908, 120124, 153223, 188839, 210217, 306446, 377678, 420434, 612892, 755356, 840868, 1321873, 1471519, 1591643, 2643746, 2943038, 3183286, 5287492, 5886076, 6366572, 11141501, 22283002, 44566004, 77990507, 155981014, 311962028]

約数ペア:

[(1, 311962028), (2, 155981014), (4, 77990507), (7, 44566004), (14, 22283002), (28, 11141501), (49, 6366572), (53, 5886076), (59, 5287492), (98, 3183286), (106, 2943038), (118, 2643746), (196, 1591643), (212, 1471519), (236, 1321873), (371, 840868), (413, 755356), (509, 612892), (742, 420434), (826, 377678), (1018, 306446), (1484, 210217), (1652, 188839), (2036, 153223), (2597, 120124), (2891, 107908), (3127, 99764), (3563, 87556), (5194, 60062), (5782, 53954), (6254, 49882), (7126, 43778), (10388, 30031), (11564, 26977), (12508, 24941), (14252, 21889)]