306687140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{13463}}^1$

素因数の和:13556

約数の個数: 48

約数和(自身を含む): 692157312

約数和(自身を除く): 385470172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 13463, 22780, 26926, 53852, 67315, 134630, 228871, 269260, 457742, 902021, 915484, 1144355, 1804042, 2288710, 3608084, 4510105, 4577420, 9020210, 15334357, 18040420, 30668714, 61337428, 76671785, 153343570, 306687140]

約数ペア:

[(1, 306687140), (2, 153343570), (4, 76671785), (5, 61337428), (10, 30668714), (17, 18040420), (20, 15334357), (34, 9020210), (67, 4577420), (68, 4510105), (85, 3608084), (134, 2288710), (170, 1804042), (268, 1144355), (335, 915484), (340, 902021), (670, 457742), (1139, 269260), (1340, 228871), (2278, 134630), (4556, 67315), (5695, 53852), (11390, 26926), (13463, 22780)]